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cannot open git-receive-pack: Server redirected too many times (20) [message #1701531]

Mon, 13 July 2015 22:40

Sam Davis

Messages: 98
Registered: July 2012

Member

Hi,

The JUnit tests for the Gerrit Mylyn connector use JGit to create Gerrit reviews. The call to org.eclipse.jgit.api.PushCommand.call() started failing a couple of months ago without anything having changed (that I know of). The error message is "cannot open git-receive-pack: Server redirected too many times (20)"

Upon investigating I found that the tests pass when run on hudson-slave2 and fail on hudson-slave4 (on the shared Hudson instance), and fail on the Mylyn HIPP. Thinking this was a Hudson configuration problem, I opened a bug in Community / Hudson and it was suggested that the tests might be ignoring the proxy configuration, since slave2 (where they pass) does not use a proxy, but I don't think that's the case because the tests are able to clone the repository but fail to push. Plus, the tests used to work on our HIPP and now they don't.

As an experiment, I tried changing the tests to use git on the command line for pushing instead of JGit and that works fine.

Any help would be greatly appreciated. The test Gerrit instances are hosted at mylyn.org, and nothing was changed on that server AFAIK.

Here's the stack trace:

org.eclipse.jgit.api.errors.JGitInternalException: Exception caught during execution of push command
at org.eclipse.jgit.api.PushCommand.call(PushCommand.java:156)
at org.eclipse.mylyn.gerrit.tests.support.GerritProject.commitAndPush(GerritProject.java:152)
at org.eclipse.mylyn.internal.gerrit.core.remote.ReviewHarness.commitAndPush(ReviewHarness.java:210)
at org.eclipse.mylyn.internal.gerrit.core.remote.ReviewHarness.pushFileToReview(ReviewHarness.java:148)
at org.eclipse.mylyn.internal.gerrit.core.remote.ReviewHarness.init(ReviewHarness.java:119)
at org.eclipse.mylyn.internal.gerrit.core.remote.PatchSetDetailRemoteFactoryTest.setUp(PatchSetDetailRemoteFactoryTest.java:55)
at junit.framework.TestCase.runBare(TestCase.java:139)
at junit.framework.TestResult$1.protect(TestResult.java:122)
at junit.framework.TestResult.runProtected(TestResult.java:142)
at junit.framework.TestResult.run(TestResult.java:125)
at junit.framework.TestCase.run(TestCase.java:129)
at junit.framework.TestSuite.runTest(TestSuite.java:255)
at junit.framework.TestSuite.run(TestSuite.java:250)
at junit.framework.TestSuite.runTest(TestSuite.java:255)
at junit.framework.TestSuite.run(TestSuite.java:250)
at junit.framework.TestSuite.runTest(TestSuite.java:255)
at junit.framework.TestSuite.run(TestSuite.java:250)
at org.eclipse.mylyn.commons.sdk.util.ManagedTestSuite.run(ManagedTestSuite.java:152)
at org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:84)
at org.apache.maven.surefire.junit4.JUnit4TestSet.execute(JUnit4TestSet.java:53)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:123)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:104)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:164)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:110)
at org.apache.maven.surefire.booter.SurefireStarter.invokeProvider(SurefireStarter.java:175)
at org.apache.maven.surefire.booter.SurefireStarter.runSuitesInProcess(SurefireStarter.java:123)
at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:86)
at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication$1.run(AbstractUITestApplication.java:35)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:134)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3515)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3164)
at org.eclipse.ui.internal.Workbench.runEventLoop(Workbench.java:2640)
at org.eclipse.ui.internal.Workbench.runUI(Workbench.java:2604)
at org.eclipse.ui.internal.Workbench.access$4(Workbench.java:2438)
at org.eclipse.ui.internal.Workbench$7.run(Workbench.java:671)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:664)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:115)
at org.eclipse.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:31)
at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:114)
at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:369)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:620)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:575)
at org.eclipse.equinox.launcher.Main.run(Main.java:1408)
at org.eclipse.equinox.launcher.Main.main(Main.java:1384)
Caused by: org.eclipse.jgit.errors.TransportException: http://tests@mylyn.org/gerrit-2.11/org.eclipse.mylyn.test: cannot open git-receive-pack
at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:466)
at org.eclipse.jgit.transport.TransportHttp.openPush(TransportHttp.java:365)
at org.eclipse.jgit.transport.PushProcess.execute(PushProcess.java:130)
at org.eclipse.jgit.transport.Transport.push(Transport.java:1120)
at org.eclipse.jgit.api.PushCommand.call(PushCommand.java:152)
... 59 more
Caused by: java.net.ProtocolException: Server redirected too many times (20)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1637)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468)
at org.eclipse.jgit.util.HttpSupport.response(HttpSupport.java:167)
at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:429)
... 63 more

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Re: cannot open git-receive-pack: Server redirected too many times (20) [message #1702347 is a reply to message #1701531]

Tue, 21 July 2015 16:12

Matthias Sohn

Messages: 1268
Registered: July 2009

Senior Member

maybe this post can help
http://stackoverflow.com/questions/11022934/getting-java-net-protocolexception-server-redirected-too-many-times-error

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Re: cannot open git-receive-pack: Server redirected too many times (20) [message #1702370 is a reply to message #1702347]

Tue, 21 July 2015 20:49

Sam Davis

Messages: 98
Registered: July 2012

Member

Thanks, but that doesn't seem to have made a difference (https://git.eclipse.org/r/#/c/52304/). Any idea why these failures would have suddenly started happening?

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