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Cannot start Tomcat in Eclipse [message #500738]

Fri, 27 November 2009 20:35

TSS

Messages: 2
Registered: November 2009

Junior Member

Hi,
my problem is that I cannot start Tomcat in Eclipse. I use Tomcat 6 and Eclipse Galileo.
When I try to start Tomcat from Eclipse, Eclipse is showing this in the console:

27.11.2009 18:32:34 org.apache.catalina.core.AprLifecycleListener init
INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files (x86)\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files (x86)/Java/jre6/bin/client;C:/Program Files (x86)/Java/jre6/bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\TortoiseSVN\bin;C:\Program Files (x86)\Microsoft SQL Server\90\Tools\binn\;
java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:260)
    at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:412)
Caused by: java.lang.UnsatisfiedLinkError: org.apache.tomcat.jni.Pool.create(J)J
    at org.apache.tomcat.jni.Pool.create(Native Method)
    at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java:589)
    at org.apache.coyote.http11.Http11AprProtocol.init(Http11AprProtocol.java:107)
    at org.apache.catalina.connector.Connector.initialize(Connector.java:1058)
    at org.apache.catalina.core.StandardService.initialize(StandardService.java:677)
    at org.apache.catalina.core.StandardServer.initialize(StandardServer.java:795)
    at org.apache.catalina.startup.Catalina.load(Catalina.java:535)
    at org.apache.catalina.startup.Catalina.load(Catalina.java:555)
    ... 6 more

There is no problem to start Tomcat by running the startup.bat file.

I have no idea where is the problem. I tried to find some solution but with no success.

Thank you for help!

TSS

[Updated on: Sat, 28 November 2009 10:53]

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Re: Cannot start Tomcat in Eclipse [message #501029 is a reply to message #500738]

Mon, 30 November 2009 18:13

Larry Isaacs

Messages: 1350
Registered: July 2009

Senior Member

The "INFO: The APR based Apache Tomcat Native library..." at the top of
the log implies that the dll needed to use APR is not available, so
Tomcat didn't automatically use APR. However, the error seems to imply
that you have manually configured Tomcat within Eclipse to use APR. Is
this correct? I believe the error is what happens if you try to us APR
without making the required dll available (or perhaps the appropriate
version).

It's not clear if Tomcat is starting outside of Eclipse because the dll
is available or Tomcat isn't manually configured to use APR. Is it your
intention to use APR in your configuration?

Cheers,
Larry

tarik@salem.cz wrote:
> Hi,
> my problem is that I cannot start Tomcat in Eclipse. I use Tomcat 6 and
> Eclipse Galileo.
> When I try to start Tomcat from Eclipse, Eclipse is showing this in the
> console:
>
>
> 27.11.2009 18:32:34 org.apache.catalina.core.AprLifecycleListener init
> INFO: The APR based Apache Tomcat Native library which allows optimal
> performance in production environments was not found on the
> java.library.path: C:\Program Files
> (x86)\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\sys tem32;C:\Windows;C:/Program
> Files (x86)/Java/jre6/bin/client;C:/Program Files
> (x86)/Java/jre6/bin;C:\Windows\system32;C:\Windows;C:\Window s\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\; C:\Program
> Files\TortoiseSVN\bin;C:\Program Files (x86)\Microsoft SQL
> Server\90\Tools\binn\;
> java.lang.reflect.InvocationTargetException
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
> at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
> at java.lang.reflect.Method.invoke(Unknown Source)
> at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:26 0)
> at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:41 2)
> Caused by: java.lang.UnsatisfiedLinkError:
> org.apache.tomcat.jni.Pool.create(J)J
> at org.apache.tomcat.jni.Pool.create(Native Method)
> at org.apache.tomcat.util.net.AprEndpoint.init(AprEndpoint.java :589)
> at
> org.apache.coyote.http11.Http11AprProtocol.init(Http11AprPro tocol.java:107)
> at
> org.apache.catalina.connector.Connector.initialize(Connector .java:1058)
> at
> org.apache.catalina.core.StandardService.initialize(Standard Service.java:677)
>
> at
> org.apache.catalina.core.StandardServer.initialize(StandardS erver.java:795)
> at org.apache.catalina.startup.Catalina.load(Catalina.java:535)
> at org.apache.catalina.startup.Catalina.load(Catalina.java:555)
> ... 6 more
>
>
> There is no problem to start Tomcat by running the startup.bat file.
>
> I have no idea where is the problem. I tried to find some solution but
> with no success.
>
> Thank you for help!
>
> TS
>

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Re: Cannot start Tomcat in Eclipse [message #501049 is a reply to message #501029]

Mon, 30 November 2009 19:42

TSS

Messages: 2
Registered: November 2009

Junior Member

Thank you Larry! You're right.

Tomcat starting from Eclipse really can't find the APR library.

Solution:
So I added path to the APR library (e.g. .../tomcat/bin) to the system environment PATH and Tomcat is running now without problems.
When you don't need APR just set in the server.xml file in Eclipse instead of "org.apache.coyote.http11.Http11AprProtocol" protocol a "HTTP/1.1" protocol.

Cheers,

TSS

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