java.lang.NoClassDefFoundError

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  • java.lang.NoClassDefFoundError: com.sun.org.apache.xerces.internal.util.SecurityManager is a restricted class. Please see the Google App Engine developer's guide for more details. at com.google.apphosting.runtime.security.shared.stub.com.sun.org.apache.xerces.internal.util.SecurityManager.<clinit>(SecurityManager.java) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:526) at java.lang.Class.newInstance(Class.java:370) at org.apache.poi.util.DocumentHelper.trySetXercesSecurityManager(DocumentHelper.java:77) at org.apache.poi.util.DocumentHelper.<clinit>(DocumentHelper.java:57) at org.apache.poi.openxml4j.opc.internal.ContentTypeManager.parseContentTypesFile(ContentTypeManager.java:376) at org.apache.poi.openxml4j.opc.internal.ContentTypeManager.<init>(ContentTypeManager.java:102) at org.apache.poi.openxml4j.opc.internal.ZipContentTypeManager.<init>(ZipContentTypeManager.java:54) at org.apache.poi.openxml4j.opc.ZipPackage.getPartsImpl(ZipPackage.java:192) at org.apache.poi.openxml4j.opc.OPCPackage.getParts(OPCPackage.java:673) at org.apache.poi.openxml4j.opc.OPCPackage.open(OPCPackage.java:274) at org.apache.poi.ss.usermodel.WorkbookFactory.create(WorkbookFactory.java:87)
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