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From Richard Huntrods <huntr...@nucleus.com>
Subject Problem with SSH in latest Tomcat
Date Tue, 09 Apr 2019 21:48:27 GMT
Greetings!

I would like to 'do what's necessary' to remove the following error. 
Google tells me it's related to my security implementation, which is 
HTTPS by default. I am convinced the problem is in how I invoke the port 
443 connector in my server.xml. I've been running this servlet on 
versions of Tomcat since 2001, and have kept my Tomcat instances up to 
date. Most recently I started noticing this in the logs, and
am pretty sure it's because I've been copying the connector code bit 
from server.xml to server.xml as I upgraded versions of Tomcat.

I really suspect my connector is now out-of-date and could use some 
guideance as to the best new form. I see in the recent server.xml they 
use a different involcation, but don't know if this is best...

OS: Ubuntu 18.04 LTS Live server
Tomcat: 8.5.39, installed from tar.gz obtained from Tomcat.

I've done this enough times to "get it right", so it's just this Hello 
error I want to eradicate...

Here is the error message:

08-Apr-2019 01:00:23.477 SEVERE [https-jsse-nio-443-exec-9] 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun
  java.lang.UnsupportedOperationException: Unsupported SSL v2.0 ClientHello
     at 
java.base/sun.security.ssl.SSLEngineInputRecord.handleUnknownRecord(SSLEngineInputRecord.java:373)
     at 
java.base/sun.security.ssl.SSLEngineInputRecord.decode(SSLEngineInputRecord.java:195)
     at 
java.base/sun.security.ssl.SSLEngineImpl.readRecord(SSLEngineImpl.java:975)
     at 
java.base/sun.security.ssl.SSLEngineImpl.readNetRecord(SSLEngineImpl.java:902)
     at 
java.base/sun.security.ssl.SSLEngineImpl.unwrap(SSLEngineImpl.java:680)
     at java.base/javax.net.ssl.SSLEngine.unwrap(SSLEngine.java:626)
     at 
org.apache.tomcat.util.net.SecureNioChannel.handshakeUnwrap(SecureNioChannel.java:475)
     at 
org.apache.tomcat.util.net.SecureNioChannel.handshake(SecureNioChannel.java:238)
     at 
org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1475)
     at 
org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
     at 
java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
     at 
java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
     at 
org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
     at java.base/java.lang.Thread.run(Thread.java:844)

My certificates are new and correct, and have run fine in past versions 
of Tomcat without problems...

THIS IS MY SERVER.XML - Most of it is identical to the server.xml 
supplied with Tomcat 8.5.39 My changes are after the *** THIS IS MY 
CONNECTOR ... *** comment.

Thanks,
-Richard

**********************
<?xml version="1.0" encoding="UTF-8"?>
<!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
-->
<!-- Note:  A "Server" is not itself a "Container", so you may not
      define subcomponents such as "Valves" at this level.
      Documentation at /docs/config/server.html
  -->
<Server port="8005" shutdown="SHUTDOWN">
   <Listener 
className="org.apache.catalina.startup.VersionLoggerListener" />
   <!-- Security listener. Documentation at /docs/config/listeners.html
   <Listener className="org.apache.catalina.security.SecurityListener" />
   -->
   <!--APR library loader. Documentation at /docs/apr.html -->
   <!-- <Listener 
className="org.apache.catalina.core.AprLifecycleListener" SSLEngine="on" 
/> -->
   <!-- Prevent memory leaks due to use of particular java/javax APIs-->
   <Listener 
className="org.apache.catalina.core.JreMemoryLeakPreventionListener" />
   <Listener 
className="org.apache.catalina.mbeans.GlobalResourcesLifecycleListener" />
   <Listener 
className="org.apache.catalina.core.ThreadLocalLeakPreventionListener" />

   <!-- Global JNDI resources
        Documentation at /docs/jndi-resources-howto.html
   -->
   <GlobalNamingResources>
     <!-- Editable user database that can also be used by
          UserDatabaseRealm to authenticate users
     -->
     <Resource name="UserDatabase" auth="Container"
               type="org.apache.catalina.UserDatabase"
               description="User database that can be updated and saved"
factory="org.apache.catalina.users.MemoryUserDatabaseFactory"
               pathname="conf/tomcat-users.xml" />
   </GlobalNamingResources>

   <!-- A "Service" is a collection of one or more "Connectors" that share
        a single "Container" Note:  A "Service" is not itself a "Container",
        so you may not define subcomponents such as "Valves" at this level.
        Documentation at /docs/config/service.html
    -->
   <Service name="Catalina">

     <!--The connectors can use a shared executor, you can define one or 
more named thread pools-->
     <!--
     <Executor name="tomcatThreadPool" namePrefix="catalina-exec-"
         maxThreads="150" minSpareThreads="4"/>
     -->


     <!-- A "Connector" represents an endpoint by which requests are 
received
          and responses are returned. Documentation at :
          Java HTTP Connector: /docs/config/http.html
          Java AJP  Connector: /docs/config/ajp.html
          APR (HTTP/AJP) Connector: /docs/apr.html
          Define a non-SSL/TLS HTTP/1.1 Connector on port 8080
     -->
     <!--
     <Connector port="8080" protocol="HTTP/1.1"
                connectionTimeout="20000"
                redirectPort="8443" />
     -->
     <Connector port="80" protocol="HTTP/1.1"
                connectionTimeout="20000"
                redirectPort="443" />

     <!-- A "Connector" using the shared thread pool-->
     <!--
     <Connector executor="tomcatThreadPool"
                port="8080" protocol="HTTP/1.1"
                connectionTimeout="20000"
                redirectPort="8443" />
     -->
     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443
          This connector uses the NIO implementation. The default
          SSLImplementation will depend on the presence of the APR/native
          library and the useOpenSSL attribute of the
          AprLifecycleListener.
          Either JSSE or OpenSSL style configuration may be used 
regardless of
          the SSLImplementation selected. JSSE style configuration is 
used below.
     -->
     <!--
     <Connector port="8443" 
protocol="org.apache.coyote.http11.Http11NioProtocol"
                maxThreads="150" SSLEnabled="true">
         <SSLHostConfig>
             <Certificate certificateKeystoreFile="conf/localhost-rsa.jks"
                          type="RSA" />
         </SSLHostConfig>
     </Connector>
     -->
     <!-- Define a SSL/TLS HTTP/1.1 Connector on port 8443 with HTTP/2
          This connector uses the APR/native implementation which always 
uses
          OpenSSL for TLS.
          Either JSSE or OpenSSL style configuration may be used. 
OpenSSL style
          configuration is used below.
     -->
     <!--
     <Connector port="8443" 
protocol="org.apache.coyote.http11.Http11AprProtocol"
                maxThreads="150" SSLEnabled="true" >
         <UpgradeProtocol 
className="org.apache.coyote.http2.Http2Protocol" />
         <SSLHostConfig>
             <Certificate certificateKeyFile="conf/localhost-rsa-key.pem"
certificateFile="conf/localhost-rsa-cert.pem"
certificateChainFile="conf/localhost-rsa-chain.pem"
                          type="RSA" />
         </SSLHostConfig>
     </Connector>
     -->
     <!-- *** THIS IS MY CONNECTOR FOR PORT 443: COPIED FROM PAST TOMCAT 
VERSIONS *** -->
     <Connector port="443" protocol="HTTP/1.1" SSLEnabled="true"
                maxThreads="150" enableLookups="false" scheme="https" 
secure="true"
                keystoreFile="./keys/.keystore" keystorePass="password"
                clientAuth="false" sslProtocol="TLS" />

     <!-- Define an AJP 1.3 Connector on port 8009 -->
     <!--
     <Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
     -->


     <!-- An Engine represents the entry point (within Catalina) that 
processes
          every request.  The Engine implementation for Tomcat stand alone
          analyzes the HTTP headers included with the request, and 
passes them
          on to the appropriate Host (virtual host).
          Documentation at /docs/config/engine.html -->

     <!-- You should set jvmRoute to support load-balancing via AJP ie :
     <Engine name="Catalina" defaultHost="localhost" jvmRoute="jvm1">
     -->
     <Engine name="Catalina" defaultHost="localhost">

       <!--For clustering, please take a look at documentation at:
           /docs/cluster-howto.html  (simple how to)
           /docs/config/cluster.html (reference documentation) -->
       <!--
       <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>
       -->

       <!-- Use the LockOutRealm to prevent attempts to guess user passwords
            via a brute-force attack -->
       <Realm className="org.apache.catalina.realm.LockOutRealm">
         <!-- This Realm uses the UserDatabase configured in the global JNDI
              resources under the key "UserDatabase".  Any edits
              that are performed against this UserDatabase are immediately
              available for use by the Realm.  -->
         <Realm className="org.apache.catalina.realm.UserDatabaseRealm"
                resourceName="UserDatabase"/>
       </Realm>

       <Host name="localhost"  appBase="webapps"
             unpackWARs="true" autoDeploy="true">

         <!-- SingleSignOn valve, share authentication between web 
applications
              Documentation at: /docs/config/valve.html -->
         <!--
         <Valve 
className="org.apache.catalina.authenticator.SingleSignOn" />
         -->

         <!-- Access log processes all example.
              Documentation at: /docs/config/valve.html
              Note: The pattern used is equivalent to using 
pattern="common" -->
         <Valve className="org.apache.catalina.valves.AccessLogValve" 
directory="logs"
                prefix="localhost_access_log" suffix=".txt"
                pattern="%h %l %u %t &quot;%r&quot; %s %b" />

     <Valve className="org.apache.catalina.valves.ErrorReportValve" 
showReport="false" showServerInfo="false" />

       </Host>
     </Engine>
   </Service>
</Server>


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