我在重新部署方面遇到了一些麻烦。 第一次部署，没关系。但是它抛出了这个例外。我必须重新启动GlassFish。为什么有必要？
SEVERE: log4j:ERROR log4j called after unloading, see http://logging.apache.org/log4j/1.2/faq.html#unload.
SEVERE: java.lang.IllegalStateException: Class invariant violation
at org.apache.log4j.LogManager.getLoggerRepository(LogManager.java:199)
at org.apache.log4j.LogManager.getLogger(LogManager.java:228)
at org.slf4j.impl.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:64)
at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:253)
at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:156)
at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:132)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:645)
at com.icesoft.faces.component.portlet.Portlet.<clinit>(Portlet.java:38)
at sun.misc.Unsafe.ensureClassInitialized(Native Method)
at sun.reflect.UnsafeFieldAccessorFactory.newFieldAccessor(UnsafeFieldAccessorFactory.java:43)
at sun.reflect.ReflectionFactory.newFieldAccessor(ReflectionFactory.java:140)
at java.lang.reflect.Field.acquireFieldAccessor(Field.java:949)
at java.lang.reflect.Field.getFieldAccessor(Field.java:930)
at java.lang.reflect.Field.set(Field.java:680)
at
...
SEVERE: Exception while loading the app : java.lang.IllegalStateException: ContainerBase.addChild: start: org.apache.catalina.LifecycleException: java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: java.util.concurrent.ExecutionException: com.sun.faces.config.ConfigurationException: Unable to parse document 'bundle://184.0:1/com/sun/faces/jsf-ri-runtime.xml': DTD factory class org.apache.xerces.impl.dv.dtd.DTDDVFactoryImpl does not extend from DTDDVFactory.
答案 0 :(得分：1)
您的应用中似乎有另一个解析器，如xerces.jar，它试图覆盖glassfish的默认解析器，但在重新部署期间无法执行此操作。
如果您有任何解析器实现jar，那么通过添加
使其成为默认解析器 -Djava.endorsed.dirs=/myapp/lib/xerces.jar到您的服务器启动。