Recreating project with the same name

[Philip Stefanov]

I deleted existing project directly from the file system restarted Gerrit afterwards and when i try to create a new project with the same name got internal error 500


[2016-12-13 15:42:34,801] [HTTP-50] WARN  com.google.gerrit.server.project.ProjectCacheImpl : Cannot read project device/common
java.util.concurrent.ExecutionException: org.eclipse.jgit.errors.MissingObjectException: Missing tree efcbcf21f4f810561332201127a09c18e023e16a
    at com.google.common.util.concurrent.AbstractFuture.getDoneValue(AbstractFuture.java:472)
    at com.google.common.util.concurrent.AbstractFuture.get(AbstractFuture.java:431)
    at com.google.common.util.concurrent.AbstractFuture$TrustedFuture.get(AbstractFuture.java:74)
    at com.google.common.util.concurrent.Uninterruptibles.getUninterruptibly(Uninterruptibles.java:143)
    at com.google.common.cache.LocalCache$Segment.getAndRecordStats(LocalCache.java:2352)
    at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2324)
    at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2286)
    at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201)
    at com.google.common.cache.LocalCache.get(LocalCache.java:3953)
    at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3957)
    at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4875)
    at com.google.gerrit.server.project.ProjectCacheImpl.checkedGet(ProjectCacheImpl.java:141)
    at com.google.gerrit.server.project.ProjectControl$GenericFactory.controlFor(ProjectControl.java:84)
    at com.google.gerrit.server.project.ProjectsCollection._parse(ProjectsCollection.java:98)
    at com.google.gerrit.server.project.ProjectsCollection.parse(ProjectsCollection.java:66)
    at com.google.gerrit.server.project.ProjectsCollection.parse(ProjectsCollection.java:36)
    at com.google.gerrit.httpd.restapi.RestApiServlet.service(RestApiServlet.java:233)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
    at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
    at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
    at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
    at com.google.gerrit.httpd.GetUserFilter.doFilter(GetUserFilter.java:82)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gwtexpui.server.CacheControlFilter.doFilter(CacheControlFilter.java:73)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.RunAsFilter.doFilter(RunAsFilter.java:117)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.AllRequestFilter$FilterProxy$1.doFilter(AllRequestFilter.java:136)
    at com.google.gerrit.httpd.AllRequestFilter$FilterProxy.doFilter(AllRequestFilter.java:105)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.RequestContextFilter.doFilter(RequestContextFilter.java:75)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
    at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
    at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
    at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
    at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.handler.RequestLogHandler.handle(RequestLogHandler.java:95)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.Server.handle(Server.java:499)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
    at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.eclipse.jgit.errors.MissingObjectException: Missing tree efcbcf21f4f810561332201127a09c18e023e16a
    at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:147)
    at org.eclipse.jgit.treewalk.CanonicalTreeParser.reset(CanonicalTreeParser.java:202)
    at org.eclipse.jgit.treewalk.TreeWalk.parserFor(TreeWalk.java:1000)
    at org.eclipse.jgit.treewalk.TreeWalk.reset(TreeWalk.java:446)
    at org.eclipse.jgit.treewalk.TreeWalk.forPath(TreeWalk.java:119)
    at com.google.gerrit.server.git.VersionedMetaData.readFile(VersionedMetaData.java:438)
    at com.google.gerrit.server.git.VersionedMetaData.readUTF8(VersionedMetaData.java:429)
    at com.google.gerrit.server.git.ProjectConfig.readGroupList(ProjectConfig.java:808)
    at com.google.gerrit.server.git.ProjectConfig.onLoad(ProjectConfig.java:404)
    at com.google.gerrit.server.git.VersionedMetaData.load(VersionedMetaData.java:143)
    at com.google.gerrit.server.git.VersionedMetaData.load(VersionedMetaData.java:119)
    at com.google.gerrit.server.project.ProjectCacheImpl$Loader.load(ProjectCacheImpl.java:293)
    at com.google.gerrit.server.project.ProjectCacheImpl$Loader.load(ProjectCacheImpl.java:278)
    at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3542)
    at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2323)
    ... 51 more
[2016-12-13 15:42:34,803] [HTTP-50] ERROR com.google.gerrit.httpd.restapi.RestApiServlet : Error in PUT /device%2Fcommon
org.eclipse.jgit.errors.MissingObjectException: Missing tree efcbcf21f4f810561332201127a09c18e023e16a
    at org.eclipse.jgit.internal.storage.file.WindowCursor.open(WindowCursor.java:147)
    at org.eclipse.jgit.treewalk.CanonicalTreeParser.reset(CanonicalTreeParser.java:202)
    at org.eclipse.jgit.treewalk.TreeWalk.parserFor(TreeWalk.java:1000)
    at org.eclipse.jgit.treewalk.TreeWalk.reset(TreeWalk.java:446)
    at org.eclipse.jgit.treewalk.TreeWalk.forPath(TreeWalk.java:119)
    at com.google.gerrit.server.git.VersionedMetaData.readFile(VersionedMetaData.java:438)
    at com.google.gerrit.server.git.VersionedMetaData.readUTF8(VersionedMetaData.java:429)
    at com.google.gerrit.server.git.ProjectConfig.readGroupList(ProjectConfig.java:808)
    at com.google.gerrit.server.git.ProjectConfig.onLoad(ProjectConfig.java:404)
    at com.google.gerrit.server.git.VersionedMetaData.load(VersionedMetaData.java:143)
    at com.google.gerrit.server.git.VersionedMetaData.load(VersionedMetaData.java:119)
    at com.google.gerrit.server.project.ProjectCacheImpl$Loader.load(ProjectCacheImpl.java:293)
    at com.google.gerrit.server.project.ProjectCacheImpl$Loader.load(ProjectCacheImpl.java:278)
    at com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3542)
    at com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2323)
    at com.google.common.cache.LocalCache$Segment.lockedGetOrLoad(LocalCache.java:2286)
    at com.google.common.cache.LocalCache$Segment.get(LocalCache.java:2201)
    at com.google.common.cache.LocalCache.get(LocalCache.java:3953)
    at com.google.common.cache.LocalCache.getOrLoad(LocalCache.java:3957)
    at com.google.common.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4875)
    at com.google.gerrit.server.project.ProjectCacheImpl.checkedGet(ProjectCacheImpl.java:141)
    at com.google.gerrit.server.project.ProjectControl$GenericFactory.controlFor(ProjectControl.java:84)
    at com.google.gerrit.server.project.ProjectsCollection._parse(ProjectsCollection.java:98)
    at com.google.gerrit.server.project.ProjectsCollection.parse(ProjectsCollection.java:66)
    at com.google.gerrit.server.project.ProjectsCollection.parse(ProjectsCollection.java:36)
    at com.google.gerrit.httpd.restapi.RestApiServlet.service(RestApiServlet.java:233)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    at com.google.inject.servlet.ServletDefinition.doServiceImpl(ServletDefinition.java:287)
    at com.google.inject.servlet.ServletDefinition.doService(ServletDefinition.java:277)
    at com.google.inject.servlet.ServletDefinition.service(ServletDefinition.java:182)
    at com.google.inject.servlet.ManagedServletPipeline.service(ManagedServletPipeline.java:91)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:85)
    at com.google.gerrit.httpd.GetUserFilter.doFilter(GetUserFilter.java:82)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gwtexpui.server.CacheControlFilter.doFilter(CacheControlFilter.java:73)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.RunAsFilter.doFilter(RunAsFilter.java:117)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.AllRequestFilter$FilterProxy$1.doFilter(AllRequestFilter.java:136)
    at com.google.gerrit.httpd.AllRequestFilter$FilterProxy.doFilter(AllRequestFilter.java:105)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.gerrit.httpd.RequestContextFilter.doFilter(RequestContextFilter.java:75)
    at com.google.inject.servlet.FilterChainInvocation.doFilter(FilterChainInvocation.java:82)
    at com.google.inject.servlet.ManagedFilterPipeline.dispatch(ManagedFilterPipeline.java:119)
    at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:133)
    at com.google.inject.servlet.GuiceFilter$1.call(GuiceFilter.java:130)
    at com.google.inject.servlet.GuiceFilter$Context.call(GuiceFilter.java:203)
    at com.google.inject.servlet.GuiceFilter.doFilter(GuiceFilter.java:130)
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:221)
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.handler.RequestLogHandler.handle(RequestLogHandler.java:95)
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
    at org.eclipse.jetty.server.Server.handle(Server.java:499)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:310)
    at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
    at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:635)
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:555)
    at java.lang.Thread.run(Thread.java:745)

[Saša Živkov]

This was a known (JGit) issue which was fixed in a more recent version of Gerrit (which includes a newer JGit).

Which Gerrit version are you running?

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[Philip Stefanov]

Powered by Gerrit Code Review (2.12.4)

Not very old one saw in the release notes:

Upgrades

• Upgrade JGit to 4.1.2.201602141800-r.

[Saša Živkov]

The JGit version which contains the necessary fix is 4.5.0.201609210915-r.

There is no Gerrit 2.12.x release which contains this version and we actually patched Gerrit 2.12 internally

to include that JGit version.

2.13.4 does include JGit 4.5.0.201609210915-r. Would upgrading to 2.13 be an option for you?

Note that you will anyway have to manually cleanup the incompletely deleted projects from the file system.

[Philip Stefanov]

I see,
Thanks a lot for the info i'm going to upgrade