title: Error opening input stream for resource module-info.class
body: <p>I'm seeing this recently when I deploy my application on WebSphere. </p>
  
  <pre><code>  W com.ibm.ws.ecs.internal.scan.context.impl.ScannerContextImpl scanJAR unable to open input stream for resource module-info.class in archive WEB-INF/lib/stax-ex-1.8.jar
                               java.lang.IllegalArgumentException
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at org.objectweb.asm.ClassReader.&lt;init&gt;(Unknown Source)
      at com.ibm.ws.ecs.internal.scan.impl.ClassScanner.scanInputStream(ClassScanner.java:147)
      at com.ibm.ws.ecs.internal.scan.impl.ClassScanner.scanInputStream(ClassScanner.java:124)
      at com.ibm.ws.ecs.internal.scan.impl.ClassScanner.scanInputStream(ClassScanner.java:120)
      at com.ibm.ws.ecs.internal.scan.context.impl.ScannerContextImpl.scanJAR(ScannerContextImpl.java:275)
      at com.ibm.ws.ecs.internal.scan.context.impl.ScannerContextImpl.scanJARs(ScannerContextImpl.java:315)
      at com.ibm.ws.ecs.internal.scan.context.impl.WARScannerContext.scanInternal(WARScannerContext.java:76)
      at com.ibm.ws.ecs.internal.scan.context.impl.ScannerContextImpl.scan(ScannerContextImpl.java:87)
      at com.ibm.ws.ecs.internal.scan.context.impl.ScannerContextImpl.getScannedClasses(ScannerContextImpl.java:70)
      at com.ibm.ws.webcontainer.webapp.WebAppImpl.scanForHandlesTypesClasses(WebAppImpl.java:765)
      at com.ibm.ws.webcontainer.webapp.WebAppImpl.initializeServletContainerInitializers(WebAppImpl.java:606)
      at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:410)
      at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:88)
      at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:171)
      at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:904)
      at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:789)
      at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:427)
      at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:719)
      at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1201)
      at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1390)
      at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:639)
      at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:979)
      at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:785)
      at com.ibm.ws.runtime.component.ApplicationMgrImpl$5.run(ApplicationMgrImpl.java:2220)
      at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:5487)
      at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:5613)
      at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
      at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2225)
      at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:435)
      at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:123)
      at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:378)
      at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.access$500(CompositionUnitMgrImpl.java:126)
      at com.ibm.ws.runtime.component.CompositionUnitMgrImpl$CUInitializer.run(CompositionUnitMgrImpl.java:984)
      at com.ibm.wsspi.runtime.component.WsComponentImpl$_AsynchInitializer.run(WsComponentImpl.java:524)
      at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1892)
  </code></pre>
  
  <p>When I deploy the same WAR on Tomcat, it works. I'm using JDK 1.7.80.
  Has anyone else seen this ? If so what's the fix?</p>
  
  <p>Thanks in advance.</p>