https://bz.apache.org/bugzilla/show_bug.cgi?id=63266
Bug ID: 63266
Summary: NullPointerException at
org.apache.catalina.loader.WebappClassLoaderBase.binar
yNameToPath
Product: Tomcat 7
Version: 7.0.76
Hardware: PC
OS: Mac OS X 10.1
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
Assignee: dev@tomcat.apache.org
Reporter: minf...@apache.org
Target Milestone: ---
Currently getting the following exception from a jersey application hosted in
tomcat v7.0.76 as provided by centos7:
java.lang.NullPointerException
at
org.apache.catalina.loader.WebappClassLoaderBase.binaryNameToPath(WebappClassLoaderBase.java:3604)
at
org.apache.catalina.loader.WebappClassLoaderBase.findLoadedClass0(WebappClassLoaderBase.java:3683)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1784)
at
org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1735)
at
org.apache.catalina.core.StandardWrapper.servletSecurityAnnotationScan(StandardWrapper.java:1211)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:495)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
at
org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:962)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:445)
at
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1087)
at
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:637)
at
org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:2486)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)
An analysis of the stacktrace above shows the the binaryNameToPath() method
doesn't protect itself against a null binaryname:
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/loader/WebappClassLoaderBase.java#L3604
In turn, this is caused by a null class name here:
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/loader/WebappClassLoaderBase.java#L3683
The class name passed is null here:
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/loader/WebappClassLoaderBase.java#L1784
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/loader/WebappClassLoaderBase.java#L1735
Looks like getServletClass is returning null here:
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/core/StandardWrapper.java#L1211
The variable defaults to null here, looks like there are code paths where this
variable stays null:
https://github.com/apache/tomcat/blob/73268e886373568fb0c2a150dbbcaf088a2443fb/java/org/apache/catalina/core/StandardWrapper.java#L202
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