org.apache.coyote.AbstractProtocol$AbstractConnectionHandler process
严重: null
java.lang.NoClassDefFoundError: Could not initialize class org.apache.tomcat.util.buf.ByteChunk
at org.apache.tomcat.util.buf.MessageBytes.<init>(MessageBytes.java:58)
at org.apache.tomcat.util.buf.MessageBytes.<init>(MessageBytes.java:36)
at org.apache.tomcat.util.buf.MessageBytes$MessageBytesFactory.newInstance(MessageBytes.java:685)
at org.apache.tomcat.util.buf.MessageBytes.newInstance(MessageBytes.java:78)
at org.apache.coyote.Request.<init>(Request.java:83)
at org.apache.coyote.AbstractProcessor.<init>(AbstractProcessor.java:53)
at org.apache.coyote.http11.AbstractHttp11Processor.<init>(AbstractHttp11Processor.java:265)
at org.apache.coyote.http11.Http11Processor.<init>(Http11Processor.java:55)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.createProcessor(Http11Protocol.java:165)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.createProcessor(Http11Protocol.java:103)
at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:569)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:310)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)
tomcat
首先Tomcat报这种错误不一定是它本身的原因，也可能是你发布的工程有问题，导致tomcat无法正常启动。所以首先你先将tomcat上发布的工程全部删除。直接启动Tomcat，如果正常启动，你就去找你的工程，是不是缺包或者有包冲突了。
如果不能正常启动，重装Tomcat就好了