java.lang.ClassNotFoundException: javax.servlet.FilterChain
   at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
   at org.openide.execution.NbClassLoader.findClass(NbClassLoader.java:210)
   at org.netbeans.api.java.classpath.ClassLoaderSupport.findClass(ClassLoaderSupport.java:113)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
Caused: java.lang.NoClassDefFoundError: javax/servlet/FilterChain
   at java.lang.ClassLoader.defineClass1(ClassLoader.java:0)
   at java.lang.ClassLoader.defineClass(ClassLoader.java:791)
   at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
   at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
   at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
   at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
   at java.security.AccessController.doPrivileged(AccessController.java:0)
   at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
   at org.openide.execution.NbClassLoader.findClass(NbClassLoader.java:210)
   at org.netbeans.api.java.classpath.ClassLoaderSupport.findClass(ClassLoaderSupport.java:113)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:423)
   at java.lang.ClassLoader.loadClass(ClassLoader.java:356)
   at org.netbeans.modules.maven.j2ee.MissingJavaEEForUnitTestExecutionHint.run(MissingJavaEEForUnitTestExecutionHint.java:159)
   at org.netbeans.modules.java.hints.legacy.spi.RulesManager$WorkerImpl.createErrors(RulesManager.java:411)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.runHint(HintsInvoker.java:790)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.access$400(HintsInvoker.java:111)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.runAndAdd(HintsInvoker.java:657)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:676)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614)
   at com.sun.source.util.TreeScanner.visitImport(TreeScanner.java:125)
   at com.sun.tools.javac.tree.JCTree$JCImport.accept(JCTree.java:580)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:94)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:682)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:614)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81)
   at com.sun.source.util.TreeScanner.scan(TreeScanner.java:91)
   at org.netbeans.api.java.source.support.CancellableTreePathScanner.scan(CancellableTreePathScanner.java:103)
   at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99)
   at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:119)
   at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:551)
   at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:50)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker$ScannerImpl.scan(HintsInvoker.java:701)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHintsImpl(HintsInvoker.java:256)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:239)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:209)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:182)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsInvoker.computeHints(HintsInvoker.java:149)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:114)
   at org.netbeans.modules.java.hints.spiimpl.hints.HintsTask.run(HintsTask.java:83)
   at org.netbeans.modules.java.source.JavaSourceAccessor$CancelableTaskWrapper.run(JavaSourceAccessor.java:298)
   at org.netbeans.modules.parsing.impl.TaskProcessor.callParserResultTask(TaskProcessor.java:568)
   at org.netbeans.modules.parsing.impl.TaskProcessor$CompilationJob.run(TaskProcessor.java:744)
   at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
   at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
   at java.util.concurrent.FutureTask.run(FutureTask.java:166)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)