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Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

Description

@mattnworb

I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

if(progressListener != null) {
apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
...
});
}

networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

 Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
java.lang.StackOverflowError: null
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
...

The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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      Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient · Issue #482 · kubernetes-client/java · GitHub
      Skip to content

      Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

      Description

      @mattnworb

      I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

      Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

      For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

      if(progressListener != null) {
      apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
      ...
      });
      }

      networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

       Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
      java.lang.StackOverflowError: null
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
      ...
      

      The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

      As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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          , 'i'); if (__m === '*' || __re.test(location.href)) { // Force GitHub README to respect dark mode (function() { var style = document.createElement('style'); style.textContent = ' .markdown-body { color-scheme: dark light; } .markdown-body pre { background: #161b22 !important; } .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; } .markdown-body table th, .markdown-body table td { border-color: #30363d !important; } .markdown-body img { background: #0d1117; } .markdown-body blockquote { border-left-color: #8b949e; } .markdown-body hr { border-color: #30363d; } '; document.head.appendChild(style); })(); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient · Issue #482 · kubernetes-client/java · GitHub
          Skip to content

          Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

          Description

          @mattnworb

          I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

          Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

          For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

          if(progressListener != null) {
          apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
          ...
          });
          }

          networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

           Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
          java.lang.StackOverflowError: null
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
          ...
          

          The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

          As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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              , 'i'); if (__m === '*' || __re.test(location.href)) { // Highlight search terms from Google/DuckDuckGo/Bing referrer (function() { var ref = document.referrer; var terms = []; if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) { var url = new URL(ref); var q = url.searchParams.get('q') || url.searchParams.get('p'); if (q) { terms = q.split(/\s+/).filter(function(t) { return t.length > 2; }); } } if (terms.length === 0) return; var style = document.createElement('style'); style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }'; document.head.appendChild(style); function highlight(node) { if (node.nodeType === 3) { // text node var text = node.textContent; var found = false; terms.forEach(function(term) { var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\]\\]/g, '\\') + ')', 'gi'); if (regex.test(text)) { found = true; var frag = document.createDocumentFragment(); var parts = text.split(regex); parts.forEach(function(part, i) { if (i % 2 === 0) { frag.appendChild(document.createTextNode(part)); } else { var span = document.createElement('span'); span.className = 'userscript-highlight'; span.textContent = part; frag.appendChild(span); } }); node.parentNode.replaceChild(frag, node); } }); } else if (node.nodeType === 1 && node.childNodes) { // element var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT']; if (!skipTags.includes(node.tagName)) { Array.from(node.childNodes).forEach(highlight); } } } highlight(document.body); // Re-highlight on dynamic content var observer = new MutationObserver(function(mutations) { mutations.forEach(function(m) { m.addedNodes.forEach(function(node) { if (node.nodeType === 1 || node.nodeType === 3) highlight(node); }); }); }); observer.observe(document.body, { childList: true, subtree: true }); })(); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient · Issue #482 · kubernetes-client/java · GitHub
              Skip to content

              Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

              Description

              @mattnworb

              I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

              Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

              For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

              if(progressListener != null) {
              apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
              ...
              });
              }

              networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

               Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
              java.lang.StackOverflowError: null
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
              ...
              

              The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

              As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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                  Skip to content

                  Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

                  Description

                  @mattnworb

                  I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

                  Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

                  For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

                  if(progressListener != null) {
                  apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
                  ...
                  });
                  }

                  networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

                   Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
                  java.lang.StackOverflowError: null
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                  at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                  ...
                  

                  The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

                  As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

                  Metadata

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                      Skip to content

                      Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

                      Description

                      @mattnworb

                      I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

                      Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

                      For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

                      if(progressListener != null) {
                      apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
                      ...
                      });
                      }

                      networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

                       Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
                      java.lang.StackOverflowError: null
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                      at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                      ...
                      

                      The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

                      As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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                          , 'i'); if (__m === '*' || __re.test(location.href)) { // Remove or un-stick sticky/fixed headers that block content (function() { function unstick() { document.querySelectorAll('header, nav, [role="banner"], .header, .navbar, .sticky, .fixed-top, [style*="position: fixed"], [style*="position:sticky"]').forEach(function(el) { if (el.style.position === 'fixed' || el.style.position === 'sticky' || getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') { el.style.position = 'static'; el.style.top = 'auto'; el.style.zIndex = 'auto'; } }); } unstick(); var observer = new MutationObserver(unstick); observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] }); })(); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + ' Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient · Issue #482 · kubernetes-client/java · GitHub
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                          Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

                          Description

                          @mattnworb

                          I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

                          Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

                          For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

                          if(progressListener != null) {
                          apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
                          ...
                          });
                          }

                          networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

                           Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
                          java.lang.StackOverflowError: null
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                          at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                          ...
                          

                          The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

                          As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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                              , 'i'); if (__m === '*' || __re.test(location.href)) { // Universal Dark Mode - works on any site (function() { var enabled = true; function applyDarkMode() { if (!enabled) return; // Create style element if it doesn't exist var style = document.getElementById('universal-dark-mode-style'); if (!style) { style = document.createElement('style'); style.id = 'universal-dark-mode-style'; document.head.appendChild(style); } // Dark mode CSS - inverts colors but preserves images/video style.textContent = ' /* Invert everything except media */ html { filter: invert(1) hue-rotate(180deg) !important; background: #1a1a2e !important; } /* Restore images, videos, iframes, canvas */ img, video, iframe, canvas, svg, picture, [style*="background-image"] { filter: invert(1) hue-rotate(180deg) !important; } /* Preserve specific elements that should not be inverted */ .no-dark-mode, .no-dark-mode *, [data-theme="light"], [data-theme="light"], .ace_editor, .ace_editor *, .CodeMirror, .CodeMirror *, .monaco-editor, .monaco-editor *, .markdown-body pre, .markdown-body pre *, .highlight, .highlight *, pre code, pre code * { filter: none !important; } /* Fix common UI elements */ .modal, .popup, .dropdown-menu, .tooltip, .popover { filter: invert(1) hue-rotate(180deg) !important; background: #2d2d44 !important; border-color: #444 !important; } /* Scrollbars */ ::-webkit-scrollbar { background: #1a1a2e !important; } ::-webkit-scrollbar-thumb { background: #444 !important; } ::-webkit-scrollbar-thumb:hover { background: #555 !important; } /* Selection */ ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; } ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; } '; } function removeDarkMode() { var style = document.getElementById('universal-dark-mode-style'); if (style) style.remove(); } // Toggle with Alt+Shift+D document.addEventListener('keydown', function(e) { if (e.altKey && e.shiftKey && e.key === 'D') { e.preventDefault(); enabled = !enabled; if (enabled) { applyDarkMode(); console.log('[Universal Dark Mode] Enabled'); } else { removeDarkMode(); console.log('[Universal Dark Mode] Disabled'); } } }); // Apply on load applyDarkMode(); // Re-apply on dynamic content var observer = new MutationObserver(function(mutations) { if (enabled && !document.getElementById('universal-dark-mode-style')) { applyDarkMode(); } }); observer.observe(document.head, { childList: true }); console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle'); })(); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })(); Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient · Issue #482 · kubernetes-client/java · GitHub
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                              Use of "async" calls eventually causes StackoverflowErrors due to unbounded growth of networkInterceptors in OkHttpClient #482

                              Description

                              @mattnworb

                              I mentioned this in #467 but I thought it was worth opening a new issue for visibility.

                              Using the generated "async" methods, such as CoreV1Api.listPodForAllNamespacesAsync(..), with an ApiCallback will eventually cause a StackoverflowError because the generated client code adds a new networkInteceptor onto the ApiClient's list of networkInterceptors for every single call and never cleans up the list.

                              For example, listPodForAllNamespacesAsync creates a ProgressListener when callback != null. When the call stack reaches listPodForAllNamespacesCall, this series of generated code does:

                              if(progressListener != null) {
                              apiClient.getHttpClient().networkInterceptors().add(newcom.squareup.okhttp.Interceptor() {
                              ...
                              });
                              }

                              networkInterceptors() is a plain java.util.List which grows unbounded in size. The "interceptor chain" concept in OkHttpClient recurses through all of the interceptors in the list, and if the list of interceptors becomes long enough it will eventually cause a StackOverflowError:

                               Uncaught exception in thread Thread[OkHttp Dispatcher,5,main]
                              java.lang.StackOverflowError: null
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              at io.kubernetes.client.apis.CoreV1Api$581.intercept(CoreV1Api.java:18426)
                              at com.squareup.okhttp.internal.http.HttpEngine$NetworkInterceptorChain.proceed(HttpEngine.java:695)
                              ...
                              

                              The upstream issue for the swagger-codegen is swagger-api/swagger-codegen#7876 and a fix is proposed in swagger-api/swagger-codegen#8053 but has received no attention for 8+ months.

                              As-is (along with the thread safety issues in #467), the "async" methods in the generated client code here are virtually unusable in any sort of long-lived application or production server.

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                              No one assigned

                                Labels

                                lifecycle/frozenIndicates that an issue or PR should not be auto-closed due to staleness.

                                Type

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                                  No milestone

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                                  Issue actions