Tomcat – How to resolve java.util.zip.ZipException: error in opening zip file

This post is not necessarily about any specific technology. Just wanted to tell you about one possible reason for this commonly faced problem. I was working on a Spring MVC application lately and I got the following error

SEVERE [localhost-startStop-4] org.apache.catalina.core.ContainerBase.addChildInternal ContainerBase.addChild: start:
org.apache.catalina.LifecycleException: Failed to start component [StandardEngine[Catalina].StandardHost[localhost].StandardContext[/springcaptcha]]
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: org.apache.catalina.LifecycleException: Failed to start component [org.apache.catalina.webresources.StandardRoot@70d8c322]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:153)
at org.apache.catalina.core.StandardContext.resourcesStart(StandardContext.java:4958)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5088)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
… 10 more
Caused by: org.apache.catalina.LifecycleException: Failed to initialize component [org.apache.catalina.webresources.JarResourceSet@2e94c523]
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:106)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:136)
at org.apache.catalina.webresources.StandardRoot.startInternal(StandardRoot.java:699)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
… 13 more
Caused by: java.lang.IllegalArgumentException: java.util.zip.ZipException: error in opening zip file
at org.apache.catalina.webresources.JarResourceSet.initInternal(JarResourceSet.java:139)
at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102)
… 16 more
Caused by: java.util.zip.ZipException: error in opening zip file
at java.util.zip.ZipFile.open(Native Method)
at java.util.zip.ZipFile.<init>(ZipFile.java:219)
at java.util.zip.ZipFile.<init>(ZipFile.java:149)
at java.util.jar.JarFile.<init>(JarFile.java:166)
at java.util.jar.JarFile.<init>(JarFile.java:103)
at org.apache.catalina.webresources.JarResourceSet.initInternal(JarResourceSet.java:136)
… 17 more

Now, there could be various reasons why this could be happening. I am just going to tell how I resolved it.

I was using Maven for my builds and it happened that some of the dependency jars downloaded by Maven are not valid. They were Zero Byte, 1Byte jars. Obviously, Tomcat was trying to load those jars and was not able to do so. I resolved this error by manually copying jars from Maven Repos and changing some of the dependencies. In your case check if you can do the same.

Other Possible Reasons:

  • Check if your jar has proper permissions for the system user which is running Tomcat
  • Try to open the file in Zipeg , Winrar, Winzip or any equivalent unzipping system and verify if any of the jar in the classpath is not corrupt. Look for suspiciously smaller sized files

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