java Jenkins生成失败，出现IOException:无法分析变更日志

Question

如何找到根本原因？堆栈跟踪如下：

[workspace] $ /usr/atria/bin/cleartool catcs -tag XXXXX
element * CHECKEDOUT
element * .../XXXXsupport_2.2/LATEST
element * /main/LATEST -mkbranch XXXXsupport_2.2
load /vobs/XXXX
java.io.IOException: Failed to parse changelog
at hudson.model.AbstractBuild$AbstractBuildExecution.defaultCheckout(AbstractBuild>.java:622)
at jenkins.scm.SCMCheckoutStrategy.checkout(SCMCheckoutStrategy.java:86)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:529)                   
at hudson.model.Run.execute(Run.java:1741)
at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:43)
at hudson.model.ResourceController.execute(ResourceController.java:98)
at hudson.model.Executor.run(Executor.java:410)
Caused by: java.lang.NullPointerException
Discard old builds...

Answer 1

有一个固定的问题

jobs fail to "parse changelog" for pull requests with "catch-up" merges from destination branch]1

修复程序应包含在2017年8月正式发布的5.2版或最新的beta 5.1.0.2版（发布至Jenkins实验更新中心）中