java - Tomcat failing to start due to classnotfoundexception : ioexception -


when attempt start tomcat associated war following error:

caused by: java.lang.noclassdeffounderror: ioexception     @ java.lang.class.getdeclaredmethods0(native method)     @ java.lang.class.privategetdeclaredmethods(class.java:2688)     @ java.lang.class.getdeclaredmethods(class.java:1962)     @ org.apache.catalina.util.introspection.getdeclaredmethods(introspection.java:127)     @ org.apache.catalina.startup.webannotationset.loadmethodsannotation(webannotationset.java:287)     @ org.apache.catalina.startup.webannotationset.loadapplicationfilterannotations(webannotationset.java:110)     @ org.apache.catalina.startup.webannotationset.loadapplicationannotations(webannotationset.java:64)     @ org.apache.catalina.startup.contextconfig.applicationannotationsconfig(contextconfig.java:415)     @ org.apache.catalina.startup.contextconfig.configurestart(contextconfig.java:892)     @ org.apache.catalina.startup.contextconfig.lifecycleevent(contextconfig.java:386)     @ org.apache.catalina.util.lifecyclesupport.firelifecycleevent(lifecyclesupport.java:117)     @ org.apache.catalina.util.lifecyclebase.firelifecycleevent(lifecyclebase.java:90)     @ org.apache.catalina.core.standardcontext.startinternal(standardcontext.java:5380)     @ org.apache.catalina.util.lifecyclebase.start(lifecyclebase.java:150)     ... 6 more caused by: java.lang.classnotfoundexception: ioexception     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1720)     @ org.apache.catalina.loader.webappclassloader.loadclass(webappclassloader.java:1571)     ... 20 more

i believe may have web deployment assembly not sure doing wrong. also, expect jar contains ioexception in war or wherever should be?

it might issue java version. ioexception in java since 1.6. thats tip weird error


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