我有一个简单的maven项目，其中包含一些常用的测试工具。它在本地构建，但是在詹金斯上，我遇到了这个奇怪的错误（见下文）。

其他资讯：

• 它使用Maven在本地构建
• 设置与我们所有其他詹金斯项目相同（非常基本）
• 其他詹金斯版本工作正常
• 我尝试删除/root/.jenkins/workspace/testtools文件夹
• 我尝试删除该版本并为其重新命名
• 磁盘未满
• 我没有找到其他有关此特定问题的有用信息。

**

Parsing POMs
ERROR: Failed to parse POMs
hudson.maven.MavenEmbedderException: 1 problem was encountered while building the effective settings
[FATAL] Non-readable settings /root/.jenkins/workspace/testtools: /root/.jenkins/workspace/testtools (Is a directory) @ /root/.jenkins/workspace/testtools**
at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:128)
at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:109)
at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:136)
at hudson.maven.MavenUtil.createEmbedder(MavenUtil.java:212)
at hudson.maven.MavenModuleSetBuild$PomParser.invoke(MavenModuleSetBuild.java:1254)
at hudson.maven.MavenModuleSetBuild$PomParser.invoke(MavenModuleSetBuild.java:1058)
at hudson.FilePath.act(FilePath.java:909)
at hudson.FilePath.act(FilePath.java:882)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.parsePoms(MavenModuleSetBuild.java:920)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:652)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:586)
at hudson.model.Run.execute(Run.java:1603)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:506)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:247)
Caused by: hudson.maven.MavenEmbedderException: 1 problem was encountered while building the effective settings
[FATAL] Non-readable settings /root/.jenkins/workspace/testtools: /root/.jenkins/workspace/testtools (Is a directory) @ /root/.jenkins/workspace/testtools
at hudson.maven.MavenEmbedder.getSettings(MavenEmbedder.java:261)
at hudson.maven.MavenEmbedder.buildMavenExecutionRequest(MavenEmbedder.java:157)
at hudson.maven.MavenEmbedder.<init>(MavenEmbedder.java:120)
... 14 more
Caused by: org.apache.maven.settings.building.SettingsBuildingException: 1 problem was    encountered while building the effective settings
[FATAL] Non-readable settings /root/.jenkins/workspace/testtools: /root/.jenkins/workspace/testtools (Is a directory) @ /root/.jenkins/workspace/testtools
at org.apache.maven.settings.building.DefaultSettingsBuilder.build(DefaultSettingsBuilder.java:116)
at hudson.maven.MavenEmbedder.getSettings(MavenEmbedder.java:259)
... 16 more
Finished: FAILURE