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I have seen a similar trace in #319233. It says it was resolved but I still see it re-occurring in 5.2.0.201812061821-r version of JGIT. Please find the below trace : 2021-11-24 19:52:18 INFO 20211124195023388_APPLYINGMERGE:1453 - <font color='red'>Cannot move pack to /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/pack/pack-71ff9738a5e92b172310e50972d9dbb1e53b3c5e.pack</font> org.eclipse.jgit.api.errors.TransportException: Cannot move pack to /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/pack/pack-71ff9738a5e92b172310e50972d9dbb1e53b3c5e.pack at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:254) at com.rabit.scm.GIT.doFetch(GIT.java:1441) at com.rabit.scm.GIT.doPull(GIT.java:1343) at com.rabit.scm.GIT.doUpdate(GIT.java:374) at com.rabit.scm.workspace.WorkspaceComponent.scmCheckout(WorkspaceComponent.java:276) at com.rabit.scm.workspace.WorkspaceComponent.createOrUpdateWorkspaceCheckout(WorkspaceComponent.java:106) at com.rabit.scm.workspace.WorkspaceServiceImpl.prepareWorkSpace(WorkspaceServiceImpl.java:276) at com.rabit.scm.merge.MergeRunner.run(MergeRunner.java:87) at com.rabit.queue.AutoRABITOrderedQueueExecutor$Task.run(AutoRABITOrderedQueueExecutor.java:136) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) Caused by: org.eclipse.jgit.errors.TransportException: Cannot move pack to /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/pack/pack-71ff9738a5e92b172310e50972d9dbb1e53b3c5e.pack at org.eclipse.jgit.transport.BasePackFetchConnection.doFetch(BasePackFetchConnection.java:400) at org.eclipse.jgit.transport.TransportHttp$SmartHttpFetchConnection.doFetch(TransportHttp.java:1084) at org.eclipse.jgit.transport.BasePackFetchConnection.fetch(BasePackFetchConnection.java:323) at org.eclipse.jgit.transport.BasePackFetchConnection.fetch(BasePackFetchConnection.java:314) at org.eclipse.jgit.transport.FetchProcess.fetchObjects(FetchProcess.java:265) at org.eclipse.jgit.transport.FetchProcess.executeImp(FetchProcess.java:163) at org.eclipse.jgit.transport.FetchProcess.execute(FetchProcess.java:124) at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1271) at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:243) ... 11 more Caused by: java.io.IOException: Cannot move pack to /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/pack/pack-71ff9738a5e92b172310e50972d9dbb1e53b3c5e.pack at org.eclipse.jgit.internal.storage.file.ObjectDirectoryPackParser.renameAndOpenPack(ObjectDirectoryPackParser.java:502) at org.eclipse.jgit.internal.storage.file.ObjectDirectoryPackParser.parse(ObjectDirectoryPackParser.java:209) at org.eclipse.jgit.transport.PackParser.parse(PackParser.java:529) at org.eclipse.jgit.transport.BasePackFetchConnection.receivePack(BasePackFetchConnection.java:823) at org.eclipse.jgit.transport.BasePackFetchConnection.doFetch(BasePackFetchConnection.java:393) ... 19 more Caused by: java.io.IOException: Could not rename file /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/incoming_14664731427592666144.pack to /home/ubuntu/{someLocation}/org/{organisationName}/workspaces/XsMhfRhw3FLNaJiq/cmsDjjd1Dn9YyiQs/.git/objects/pack/pack-71ff9738a5e92b172310e50972d9dbb1e53b3c5e.pack at org.eclipse.jgit.util.FileUtils.rename(FileUtils.java:309) at org.eclipse.jgit.internal.storage.file.ObjectDirectoryPackParser.renameAndOpenPack(ObjectDirectoryPackParser.java:497) ... 23 more 2021-11-24 19:52:18 INFO 20211124195023388_APPLYINGMERGE:1363 - OrgName : {organisationName} Updating head refs 2021-11-24 19:52:18 INFO 20211124195023388_APPLYINGMERGE:1410 - <font color='red'>Invalid ref name: remotes/origin/master</font> org.eclipse.jgit.api.errors.JGitInternalException: Invalid ref name: remotes/origin/master at org.eclipse.jgit.api.ResetCommand.call(ResetCommand.java:170) at com.rabit.scm.GIT.doPull(GIT.java:1365) at com.rabit.scm.GIT.doUpdate(GIT.java:374) at com.rabit.scm.workspace.WorkspaceComponent.scmCheckout(WorkspaceComponent.java:276) at com.rabit.scm.workspace.WorkspaceComponent.createOrUpdateWorkspaceCheckout(WorkspaceComponent.java:106) at com.rabit.scm.workspace.WorkspaceServiceImpl.prepareWorkSpace(WorkspaceServiceImpl.java:276) at com.rabit.scm.merge.MergeRunner.run(MergeRunner.java:87) at com.rabit.queue.AutoRABITOrderedQueueExecutor$Task.run(AutoRABITOrderedQueueExecutor.java:136) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834)
JGit 5.2 is four years old. Try with the newest JGit version (or with the latest 5.x version, if you absolutely must stay on Java 8). I'm not going to spend any time on some problem in such an old JGit version.
I've experienced a similar issue with jgit version 6.8.0.2023112914. I have cloned a git repo using SSH and some days later, when trying to fetch / pull the changes from remote, I get the following error message and stacktrace: >'Fetch from ...-origin' has encountered a problem. Nothing to fetch. org.eclipse.jgit.api.errors.TransportException: Nothing to fetch. at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:249) at org.eclipse.egit.core.op.FetchOperation.run(FetchOperation.java:134) at org.eclipse.egit.ui.internal.fetch.FetchOperationUI.execute(FetchOperationUI.java:111) at org.eclipse.egit.ui.internal.fetch.FetchOperationUI$1.performJob(FetchOperationUI.java:137) at org.eclipse.egit.ui.internal.jobs.RepositoryJob.run(RepositoryJob.java:59) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: org.eclipse.jgit.errors.TransportException: Nothing to fetch. at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1458) at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:238) ... 5 more In my case, there are definitely changes to fetch / pull from remote, thus, the error message is misleading. Executing git fetch from console worked without any problem. Thus, I think, that must be a jgit issue. Environment details: jgit 6.8.0.2023112914 OS: RHEL 7 Eclipse 4.30 JDK 21 git 2.36.5
