Hi,

I am using tomcat8.0.33 with jre1.8u91,  I am getting the following errors. 
What I am doing wrong?
java.lang.NoSuchMethodError: 
org.apache.tomcat.util.buf.ByteChunk.findByte([BIIB)
java.lang.NoSuchMethodError: 
org.apache.catalina.connector.OutputBuffer.getContentWritten()J


SEVERE: Error processing request
java.lang.NoSuchMethodError: 
org.apache.tomcat.util.buf.ByteChunk.findByte([BIIB)I
        at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:83)
        at org.apache.tomcat.util.buf.UDecoder.convert(UDecoder.java:210)
        at 
org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:821)
        at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:517)
        at 
org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1095)
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1502)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1458)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)

May 16, 2016 1:54:11 PM 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler process
SEVERE: Error reading request, ignored
java.lang.NoSuchMethodError: 
org.apache.catalina.connector.OutputBuffer.getContentWritten()J
        at 
org.apache.catalina.connector.Response.getContentWritten(Response.java:294)
        at 
org.apache.catalina.connector.CoyoteAdapter.checkRecycled(CoyoteAdapter.java:704)
        at 
org.apache.coyote.http11.AbstractHttp11Processor.recycle(AbstractHttp11Processor.java:1832)
        at 
org.apache.coyote.http11.Http11NioProtocol$Http11ConnectionHandler.release(Http11NioProtocol.java:218)
        at 
org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:771)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1502)
        at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1458)
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
        at java.lang.Thread.run(Thread.java:745)

Many thanks.

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