https://bz.apache.org/bugzilla/show_bug.cgi?id=59567
Bug ID: 59567
Summary: NPE in
org.apache.jasper.servlet.TldScanner$TldScannerCallbac
k.scanWebInfClasses
Product: Tomcat 8
Version: 8.0.35
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Jasper
Assignee: dev@tomcat.apache.org
Reporter: andrei.iva...@gmail.com
Upgrading from 8.0.32 to 8.0.35 triggers the following NPE:
18-May-2016 10:14:21.118 SEVERE [localhost-startStop-1]
org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild:
start:
org.apache.catalina.LifecycleException: Failed to start component
[StandardEngine[Catalina].StandardHost[localhost].StandardContext[/inventorymanager]]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:725)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:701)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:717)
at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:940)
at
org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1816)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NullPointerException
at
org.apache.jasper.servlet.TldScanner$TldScannerCallback.scanWebInfClasses(TldScanner.java:401)
at
org.apache.tomcat.util.scan.StandardJarScanner.scan(StandardJarScanner.java:208)
at org.apache.jasper.servlet.TldScanner.scanJars(TldScanner.java:262)
at org.apache.jasper.servlet.TldScanner.scan(TldScanner.java:106)
at
org.apache.jasper.servlet.JasperInitializer.onStartup(JasperInitializer.java:103)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5261)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
... 10 more
Seems it's because there's an empty folder WEB-INF/classes/META-INF.
The workaround is to create an empty file in that folder.
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