سلام من یه مدته Apache Tomcat اصلا اجرا نمیشه و این خطا ها رو میده
type Exception report
message Could not initialize class org.netbeans.modules.schema2beans.DDLogFlags
description The server encountered an internal error that prevented it from fulfilling this request.
exception
javax.servlet.ServletException: Could not initialize class org.netbeans.modules.schema2beans.DDLogFlags
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:330)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247)
root cause
java.lang.NoClassDefFoundError: Could not initialize class org.netbeans.modules.schema2beans.DDLogFlags
org.netbeans.modules.schema2beans.DOMBinding.register(DOMBinding.java:166)
org.netbeans.modules.schema2beans.BeanProp.registerDomNode(BeanProp.java:1809)
org.netbeans.modules.schema2beans.GraphManager.createRootBinding(GraphManager.java:232)
org.netbeans.modules.schema2beans.BaseBean.createRoot(BaseBean.java:290)
org.netbeans.modules.web.monitor.data.MonitorData.<init>(MonitorData.java:98)
org.netbeans.modules.web.monitor.data.MonitorData.<init>(MonitorData.java:75)
org.netbeans.modules.web.monitor.data.MonitorData.<init>(MonitorData.java:71)
org.netbeans.modules.web.monitor.server.MonitorFilter.setupDataRecord(MonitorFilter.java:484)
org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:331)
sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.lang.reflect.Method.invoke(Method.java:606)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:275)
org.apache.catalina.security.SecurityUtil$1.run(SecurityUtil.java:272)
java.security.AccessController.doPrivileged(Native Method)
javax.security.auth.Subject.doAsPrivileged(Subject.java:536)
org.apache.catalina.security.SecurityUtil.execute(SecurityUtil.java:307)
org.apache.catalina.security.SecurityUtil.doAsPrivilege(SecurityUtil.java:247)
note The full stack trace of the root cause is available in the Apache Tomcat/8.0.9 logs.