https://issues.apache.org/bugzilla/show_bug.cgi?id=56785
Bug ID: 56785
Summary: NullPointer in processAnnotationsFile while
Applicaiton Startup
Product: Tomcat 8
Version: 8.0.8
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: [email protected]
Reporter: [email protected]
Hello,
we go the following exception in Aplicaiton startup.
java.lang.NullPointerException
at
org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:1966)
at
org.apache.catalina.startup.ContextConfig.processAnnotationsFile(ContextConfig.java:1967)
at
org.apache.catalina.startup.ContextConfig.processAnnotationsUrl(ContextConfig.java:1920)
at
org.apache.catalina.startup.ContextConfig.processAnnotations(ContextConfig.java:1878)
at
org.apache.catalina.startup.ContextConfig.webConfig(ContextConfig.java:1146)
at
org.apache.catalina.startup.ContextConfig.configureStart(ContextConfig.java:768)
at
org.apache.catalina.startup.ContextConfig.lifecycleEvent(ContextConfig.java:303)
at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
at
org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5069)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
... 6 more
The reason was that we added -Duser.dir=<customDir> to give Tomcat a uniqe
working dir. Within our <customDir> there was a directory which was not
accessible for the tomcat user. It belongs to root and no one else has access.
So tomcat tries to scan the user.dir and tries to list files within the
restricted dir.
Doing so ths file.listFiles() command retuns null (instead of a list of files)
which is not correctly handled and causing this Nullpointer and preventing the
Server from startup.
to recrate set -Duser.dir in setenv.sh to /tmp, create a folder /tmp/test, give
permission 700 to /tmp/test, chwon root:root /tmp/test and start a tomcat with
at least one application and a user other than root.
The fix would be to correctly handle nullpointers or to simply write a
meningfull log message.
Kind regards
Juergen Sussner
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