Org. w3c. dom. ls. LSException: java. lang. NullPointerException, Chinese programming

Org. w3c. dom. ls. LSException: java. lang. NullPointerException, Chinese programming

Operating Environment:

OS: WIN 10.0.14393 x64 family Edition

JDK: JavaSE 1.5.0 _ 20 i586

Tomcat: 6.0.48 win32

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Procedure:

Run startup. bat to start Tomcat.

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Exception information:

Org. w3c. dom. ls. LSException: java. lang. NullPointerException
At com.sun.org. apache. xml. internal. serialize. DOMSerializerImpl. writeToString (DOMSerializerImpl. java: 546)
At org. apache. catalina. core. JreMemoryLeakPreventionListener. lifecycleEvent (JreMemoryLeakPreventionListener. java: 410)
At org. apache. catalina. util. LifecycleSupport. fireLifecycleEvent (LifecycleSupport. java: 142)
At org. apache. catalina. core. StandardServer. initialize (StandardServer. java: 820)
At org. apache. catalina. startup. Catalina. load (Catalina. java: 538)
At org. apache. catalina. startup. Catalina. load (Catalina. java: 562)
At sun. reflect. NativeMethodAccessorImpl. invoke0 (Native Method)
At sun. reflect. NativeMethodAccessorImpl. invoke (NativeMethodAccessorImpl. java: 39)
At sun. reflect. DelegatingMethodAccessorImpl. invoke (DelegatingMethodAccessorImpl. java: 25)
At java. lang. reflect. Method. invoke (Method. java: 592)
At org. apache. catalina. startup. Bootstrap. load (Bootstrap. java: 261)
At org. apache. catalina. startup. Bootstrap. main (Bootstrap. java: 413)

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Tomcat source code:

388> if (xmlParsingProtection ){
389> // There are three known issues with XML parsing
390> // 1. DocumentBuilderFactory. newInstance (). newDocumentBuilder ();
391> // http://bugs.sun.com/bugdatabase/view_bug.do? Bug_id = 6916498
392> // This issue is fixed in Java 7 onwards
393> DocumentBuilderFactory factory = DocumentBuilderFactory. newInstance ();
394> try {
395> DocumentBuilder documentBuilder = factory. newDocumentBuilder ();
396> // The 2nd and 3rd links both relate to cached Exception
397> // instances that retain a link to the TCCL via
398> // backtrace field. Note that YourKit only shows this
399> // field when using the HPROF format memory snapshots.
400> // https://bz.apache.org/bugzilla/show_bug.cgi? Id = 58486
401> // These issues are currently present in all current
402> // versions of Java
403> // 2. com.sun.org. apache. xml. internal. serialize. DOMSerializerImpl
404> Document document = documentBuilder. newDocument ();
405> document. createElement ("dummy ");
406> DOMImplementationLS implementation =
407 >>> (DOMImplementationLS) document. getImplementation ();
408> implementation. createLSSerializer (). writeToString (document );
409> // 3. com.sun.org. apache. xerces. internal. dom. DOMNormalizer
410> document. normalize ();
411 >>} catch (ParserConfigurationException e ){
412> log. error (sm. getString ("jreLeakListener. xmlParseFail "),
413> e );
414 >>}
415 >>}