from:"Mohamedin"

Re: Errors in session replication and very high server load

2009-12-21 Thread Mohamedin


Thanks for the reply.

I have tried to figure out why the load is high but I couldn't. Any hints?

Thanks,
Mohamed Mohamedin
- Original Message - 
From: Filip Hanik - Dev Lists devli...@hanik.com

To: Tomcat Users List users@tomcat.apache.org
Sent: Sunday, December 20, 2009 3:56 PM
Subject: Re: Errors in session replication and very high server load



Well, the log messages you see, are all based on timeouts.
If your system has a load average of 12, unless you have a 12-way machine, 
that is very high, and could be the cause of your timeouts.

You will need to figure out what is causing the high load average.

Filip

On 12/18/2009 01:30 AM, mohame...@easy-dialog.info wrote:

Dear All,

I have a strange problem. When I added a new server to my tomcat cluster 
I have
noticed that the load is getting very high on the server. Tomcat log show 
a lot

of these lines

18.12.2009 09:07:14 org.apache.catalina.ha.tcp.SimpleTcpCluster 
memberAdded

INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-120}:4000,{62, 75, -127, -120},4000, alive=65087504,id={-64 -42 103 97 
8 -7 69
-88 -113 -106 -32 -64 46 76 -117 -58 }, payload={}, command={}, 
domain={}, ]

18.12.2009 09:07:14
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Verification complete. Member still
alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-122}:4000,{62, 75, -127, -122},4000, alive=64996684,id={-15 
62 -53 -50 -43 81
75 18 -112 -43 58 -102 69 72 83 21 }, payload={}, command={}, 
domain={}, ]]

18.12.2009 09:07:19
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
performBasicCheck
WARNUNG: Member added, even though we werent
notified:org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-117}:4000,{62, 75, -127, -117},4000, alive=58229968,id={16 -115 -21 -109 
18 -76
79 58 -95 -17 57 -32 -69 -111 -20 28 }, payload={}, command={}, 
domain={}, ]
18.12.2009 09:07:19 org.apache.catalina.ha.tcp.SimpleTcpCluster 
memberAdded

INFO: Replication member
added:org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-117}:4000,{62, 75, -127, -117},4000, alive=58229968,id={16 -115 -21 -109 
18 -76
79 58 -95 -17 57 -32 -69 -111 -20 28 }, payload={}, command={}, 
domain={}, ]

18.12.2009 09:08:10 org.apache.catalina.ha.tcp.SimpleTcpCluster
memberDisappeared
INFO: Received member
disappeared:org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75,
-127, -121}:4000,{62, 75, -127, -121},4000, alive=64986581,id={-87 -91 
115 -83
80 64 76 -9 -68 -107 -109 52 0 -47 109 98 }, payload={}, command={}, 
domain={},

]
18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
performBasicCheck
INFO: Suspect member, confirmed
dead.[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-121}:4000,{62, 75, -127, -121},4000, alive=64986581,id={-87 -91 115 -83 
80 64
76 -9 -68 -107 -109 52 0 -47 109 98 }, payload={}, command={}, 
domain={}, ]]

18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Received
memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62,
75, -127, -121}:4000,{62, 75, -127, -121},4000, 
alive=65045054,id={-87 -91 115

-83 80 64 76 -9 -68 -107 -109 52 0 -47 109 98 }, payload={}, command={},
domain={}, ]] message. Will verify.
18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Verification complete. Member still
alive[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62, 
75, -127,
-121}:4000,{62, 75, -127, -121},4000, alive=65045054,id={-87 -91 115 -83 
80 64
76 -9 -68 -107 -109 52 0 -47 109 98 }, payload={}, command={}, 
domain={}, ]]

18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Received
memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62,
75, -127, -122}:4000,{62, 75, -127, -122},4000, alive=65054434,id={-15 
62 -53

-50 -43 81 75 18 -112 -43 58 -102 69 72 83 21 }, payload={}, command={},
domain={}, ]] message. Will verify.
18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Received
memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62,
75, -127, -118}:4000,{62, 75, -127, -118},4000, alive=58290426,id={101 61 
65 84

-59 -114 65 -57 -106 8 -118 -25 -55 56 -82 111 }, payload={}, command={},
domain={}, ]] message. Will verify.
18.12.2009 09:08:10
org.apache.catalina.tribes.group.interceptors.TcpFailureDetector
memberDisappeared
INFO: Received
memberDisappeared[org.apache.catalina.tribes.membership.MemberImpl[tcp://{62,
75, -127, -120}:4000,{62, 75, -127, -120},4000, 
alive=65141440,id={-64 -42 103
97 8 -7 69 -88 -113 -106 -32 -64 46 76 -117 -58 }, payload={}, 
command={},

domain={}, ]] message. Will verify.


Also the load

Tomcat monitoring

2009-10-24 Thread Mohamedin

Dear All,

Please recommend a monitoring tool for tomcat. I am interested in knowing the 
response time of each request and finding requests that take a lot of time. In 
short I need to figure out the bottle nicks in my site.

Thanks a lot,
Mohamed Mohamedin

Re: JNI problem

2009-10-08 Thread Mohamedin

Here is one function that always crash. The portion of the code that couse 
the crash in my opinion is the if which has malloc. I noticed it crash 
whenever it is called with the same srcFile and dstFile


int reduce_quality(const char * srcFile, const char * dstFile, int maxSize){

struct stat info;

stat(srcFile, info);


if (info.st_size = maxSize){//it is already small enough!! so just copy it

return copy_file(srcFile, dstFile);

}


char * tmpFile = NULL;

if (strcmp(srcFile, dstFile)==0){

tmpFile = (char *) malloc(sizeof(srcFile)+1);

strcpy(tmpFile, srcFile);

strcat(tmpFile,_);

copy_file(srcFile, tmpFile);

srcFile = tmpFile;

}


int quality = DEFAULT_QUALITY;

long targetSize;

long lastTargetSize = 0;

int ret = False;

do {

ret = reduce_quality_to(srcFile, dstFile, quality);

if (ret == False) break;


stat(dstFile, info);

targetSize = info.st_size;


if (targetSize == lastTargetSize) {

ret = reduce_quality_to(srcFile, dstFile, quality + DECREASE_QUALITY_LEVEL);

break;

}

lastTargetSize = targetSize;

quality -= DECREASE_QUALITY_LEVEL;

} while (quality  0  targetSize  maxSize);

if (quality == 0)

fprintf(stderr,Couldn't reach desired size %d for %s\n, maxSize, dstFile);


if(tmpFile!=NULL){

remove(tmpFile);

free(tmpFile);

}

return ret;

}


JNIEXPORT jboolean JNICALL 
Java_com_vehicle_netapp_backend_objects_photo_PhotoOperations_reduceQuality


(JNIEnv * env, jobject jobj, jstring src, jstring dst, jint maxSize){

jboolean iscopy;

const char *srcFile = (*env)-GetStringUTFChars(env, src, iscopy);

const char *dstFile = (*env)-GetStringUTFChars(env, dst, iscopy);

int ret = reduce_quality(srcFile, dstFile, maxSize);

(*env)-ReleaseStringUTFChars(env, src, srcFile);

(*env)-ReleaseStringUTFChars(env, dst, dstFile);

return ret;

}


Thanks,
Mohamedin
- Original Message - 
From: Christopher Schultz ch...@christopherschultz.net

To: Tomcat Users List users@tomcat.apache.org
Sent: Wednesday, October 07, 2009 8:39 PM
Subject: Re: JNI problem



-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Mohamedin,

On 10/7/2009 10:40 AM, Mohamedin wrote:

Dear all,

I am trying to use a JNI library written by me that uses
GraphicsMagick wand. It is working fine as a stand alone java
application but when I tried to use it in tomcat it give me this error
and tomcat crashed.


Technically speaking, the JVM has crashed, not Tomcat.


I am running on:

AMD64
Tomcat 6.0.20
CATALINA_OPTS = 
-server -Xms512m -Xmx2048m -Djava.library.path=/usr/lib/apache-tomcat-6.0.20/shared/lib/:/usr/local/lib/


Please help

*** glibc detected *** /usr/bin/java: malloc(): memory corruption: 
0x7f5614455720 ***

=== Backtrace: =
/lib/libc.so.6[0x7f56b0cc7948]
/lib/libc.so.6[0x7f56b0cca17c]
/lib/libc.so.6(__libc_malloc+0x98)[0x7f56b0ccba78]
/usr/lib/apache-tomcat-6.0.20/shared/lib/libPhotoOperations.so(NewMagickWand+0x13)[0x7f561b7068de]
/usr/lib/apache-tomcat-6.0.20/shared/lib/libPhotoOperations.so(reduce_quality_to+0x26)[0x7f561b6f71f6]
/usr/lib/apache-tomcat-6.0.20/shared/lib/libPhotoOperations.so(reduce_quality+0x88)[0x7f561b6f74e8]
/usr/lib/apache-tomcat-6.0.20/shared/lib/libPhotoOperations.so(Java_com_vehicle_netapp_backend_objects_photo_PhotoOperations_reduceQuality+0x68)[0x7f561b6f7688]
[0x7f56a95ca542]


Since your code is definitely involved, here (the stack trace above
shows 4 layers of your code before glibc is involved), I suspect your
code is to blame for this problem.

Tomcat does not use any native code directly (except for tcnative if you
are using that). Are you using tcnative? If so, disable it and re-try to
convince yourself that this is not a Tomcat problem. I'm not saying it
is definitely /not/ a Tomcat problem, but chances are that it's your
code at fault.

My experience with native code from Java is that when memory corruption
is found in one instance but not another and the code is the same, then
there is probably some bug in your code that is sensitive to re-location
of your code within memory. That is, you are making assumptions about
your environment that are not valid when running from within a JVM (or
they work sometimes, but not other times because more code gets loaded
when running under an app server).

How much of your JNI code are you willing to post? Typically, one
develops a native library that has nothing to do with Java, and then
writes a Java wrapper around that code which is little more than the
plumbing necessary to convert data between Java-style objects, arrays,
etc. and C-style data structures. Have you done that? If so, go ahead
and post the JNI-specific layer.

If not, I think you're playing with fire by writing a native library
that does a great deal of Java interaction.

- -chris
-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.9 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/

iEYEARECAAYFAkrM4EcACgkQ9CaO5/Lv0PBregCgumcWoLGOm+fOjvV4S79ZHt1P
y10AoKqWpMNgMMYKKubd9H+jQPKjIHS2
=rfQZ
-END PGP SIGNATURE

Re: JNI problem

2009-10-08 Thread Mohamedin

);

if (status == False) {

ThrowAPIException(composite_wand);

DestroyMagickWand(magick_wand);

return False;

}

int w,h;

if (width 0  height 0){

w=width;

h=height;

MagickResizeImage(composite_wand,width,height,LanczosFilter,1.0);

}

else{

h = MagickGetImageHeight(composite_wand);

w = MagickGetImageWidth(composite_wand);

}

int imgH = MagickGetImageHeight(magick_wand);

int imgW = MagickGetImageWidth(magick_wand);

int x=0,y=0;

switch(position){

case 1://North west

y=0;

x=0;

break;

case 2://North east

y=0;

x=imgW-w;

break;

case 3://South west

y=imgH -h;

x=0;

break;

case 4://South east

y=imgH-h;

x=imgW-w;

break;

case 5://center

y=(imgH-h)/2;

x=(imgW-w)/2;

break;

}

switch(shiftDirection){

case 1://North

y-=shiftAmount;

break;

case 2://East

x+=shiftAmount;

break;

case 3://South

y+=shiftAmount;

break;

case 4://West

x-=shiftAmount;

break;

}

MagickCompositeImage(magick_wand, composite_wand, OverCompositeOp, x, y);

status=MagickWriteImages(magick_wand, imageFile,True);

if (status == False){

ThrowAPIException(magick_wand);

DestroyMagickWand(composite_wand);

return False;

}

DestroyMagickWand(magick_wand);

DestroyMagickWand(composite_wand);

return True;

}


JNIEXPORT jboolean JNICALL 
Java_com_vehicle_netapp_backend_objects_photo_PhotoOperations_compose


(JNIEnv * env, jobject jobj, jstring composeImg, jstring image, jint 
position, jint width, jint height, jint shiftDirection, jint shiftAmount){


jboolean iscopy;

const char *composeImgFile = (*env)-GetStringUTFChars(env, composeImg, 
iscopy);


const char *imageFile = (*env)-GetStringUTFChars(env, image, iscopy);

int ret = compose(composeImgFile, imageFile, position, width, height, 
shiftDirection, shiftAmount);


(*env)-ReleaseStringUTFChars(env, composeImg, composeImgFile);

(*env)-ReleaseStringUTFChars(env, image, imageFile);

return ret;

}



Mohamedin
- Original Message - 
From: Konstantin Kolinko knst.koli...@gmail.com

To: Tomcat Users List users@tomcat.apache.org
Sent: Thursday, October 08, 2009 10:37 AM
Subject: Re: JNI problem



2009/10/8 Mohamedin mohame...@easy-dialog.info:
Here is one function that always crash. The portion of the code that 
couse

the crash in my opinion is the if which has malloc. I noticed it crash
whenever it is called with the same srcFile and dstFile

int reduce_quality(const char * srcFile, const char * dstFile, int 
maxSize){


...
tmpFile = (char *) malloc(sizeof(srcFile)+1);


You meant string length there?   sizeof(pointer) is - what is the size
of pointers on your OS?  8 bytes?

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JNI problem

2009-10-07 Thread Mohamedin

-2.0.jar
7f5620ccf000-7f5620cd3000 r-xs  09:07 134504357  
/home/java/app/WEB-INF/lib/gdata-health-2.0.jar
7f5620cd3000-7f5620cd4000 r-xs  09:07 134504371  
/home/java/app/WEB-INF/lib/gdata-finance-meta-2.0.jar
7f5620cd4000-7f5620cdd000 r-xs  09:07 134466631  
/home/java/app/WEB-INF/lib/gdata-finance-2.0.jar
7f5620cdd000-7f5620cde000 r-xs  09:07 134466627  
/home/java/app/WEB-INF/lib/gdata-docs-meta-2.0.jar
7f5620cde000-7f5620ce3000 r-xs  09:07 134466620  
/home/java/app/WEB-INF/lib/gdata-docs-2.0.jar
7f5620ce3000-7f5620d5d000 r-xs  09:07 134466644  
/home/java/app/WEB-INF/lib/gdata-core-1.0.jar
7f5620d5d000-7f5620d5e000 r-xs  09:07 134466593  
/home/java/app/WEB-INF/lib/gdata-contacts-meta-2.0.jar
7f5620d5e000-7f5620d64000 r-xs  09:07 134466612  
/home/java/app/WEB-INF/lib/gdata-contacts-2.0.jar
7f5620d64000-7f5620d65000 r-xs  09:07 134504362  
/home/java/app/WEB-INF/lib/gdata-codesearch-meta-2.0.jar
7f5620d65000-7f5620d69000 r-xs  09:07 134466645  
/home/java/app/WEB-INF/lib/gdata-codesearch-2.0.jar
7f5620d69000-7f5620d6a000 r-xs  09:07 134504363  
/home/java/app/WEB-INF/lib/gdata-client-meta-1.0.jar
7f5620d6a000-7f5620d81000 r-xs  09:07 134466619  
/home/java/app/WEB-INF/lib/gdata-client-1.0.jar
7f5620d81000-7f5620d82000 r-xs  09:07 134466655  
/home/java/app/WEB-INF/lib/gdata-calendar-meta-2.0.jar
7f5620d82000-7f5620d8f000 r-xs  09:07 134466615  
/home/java/app/WEB-INF/lib/gdata-calendar-2.0.jar
7f5620d8f000-7f5620d9 r-xs  09:07 134466599  
/home/java/app/WEB-INF/lib/gdata-books-meta-1.0.jar
7f5620d9-7f5620d96000 r-xs  09:07 134504355  
/home/java/app/WEB-INF/lib/gdata-books-1.0.jar
7f5620d96000-7f5620d97000 r-xs  09:07 134466626  
/home/java/app/WEB-INF/lib/gdata-blogger-meta-2.0.jar
7f5620d97000-7f5620d9b000 r-xs  09:07 134466606  
/home/java/app/WEB-INF/lib/gdata-blogger-2.0.jar
7f5620d9b000-7f5620dac000 r-xs  09:07 134466632  
/home/java/app/WEB-INF/lib/gdata-base-1.0.jar
7f5620dac000-7f5620dad000 r-xs  09:07 134466614  
/home/java/app/WEB-INF/lib/gdata-appsforyourdomain-meta-1.0.jar
7f5620dad000-7f5620dbc000 r-xs  09:07 134466600  
/home/java/app/WEB-INF/lib/gdata-appsforyourdomain-1.0.jar
7f5620dbc000-7f5620dcf000 r-xs  09:07 134466607  
/home/java/app/WEB-INF/lib/ezmorph-1.0.2.jar
7f5620dcf000-7f5620dec000 r-xs  09:07 134504360


Thanks,
Mohamed Mohamedin


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APR is not working

2009-06-05 Thread Mohamedin


Dear everybody,

I am trying to install APR for tomcat 6.0.18 on debian
I did the following:

apt-get install libapr1-dev libssl-dev
cd tomcat-native-1.1.16-src/jni/native
./configure --with-apr=/usr/bin/apr-1-config --with-java-home=/usr/lib/jvm/java-1.5.0-sun 
 --prefix=/usr/lib/catalina

make
make install


and created the file $CATALINA_HOME/bin/setenv.sh which has the following 
lines

   LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$CATALINA_HOME/lib
   export LD_LIBRARY_PATH

Then when I started tomcat the log shows the following lines and then 
nothing (It hangs)


05.06.2009 14:15:46 org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.1.16.
05.06.2009 14:15:46 org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters 
[false], random [true].



I have tryed to stop and run it again manytimes and the same result.

Please help

Thanks a lot,
Mohamedin 



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Re: APR is not working

2009-06-05 Thread Mohamedin


Thanks a lot for your fast reply (Both of you)

It was the random number generator

Setting SSLEngine to off fixed the problem

And I don't need the SSL since it is handled by apache using mod_jk

Thanks again,
Mohamedin
- Original Message - 
From: Mladen Turk mt...@apache.org

To: Tomcat Users List users@tomcat.apache.org
Sent: Friday, June 05, 2009 4:54 PM
Subject: Re: APR is not working



Mohamedin wrote:


Then when I started tomcat the log shows the following lines and then 
nothing (It hangs)


05.06.2009 14:15:46 org.apache.catalina.core.AprLifecycleListener init
INFO: Loaded APR based Apache Tomcat Native library 1.1.16.
05.06.2009 14:15:46 org.apache.catalina.core.AprLifecycleListener init
INFO: APR capabilities: IPv6 [true], sendfile [true], accept filters 
[false], random [true].



I have tryed to stop and run it again manytimes and the same result.



Have you tried to be more patient?
On some systems the random number generator if
having low entropy can hang for few minutes.

Try setting SSLEngine to off in server.xml and
see if it'll start faster.


Regards

--
^TM


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Session Replication problems

2009-04-27 Thread Mohamedin

)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:118)
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:716)
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:746)
at 
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1076)
at 
java.util.concurrent.locks.ReentrantReadWriteLock$NonfairSync.wlock(ReentrantReadWriteLock.java:342)
at 
java.util.concurrent.locks.ReentrantReadWriteLock$WriteLock.lock(ReentrantReadWriteLock.java:637)
at 
org.apache.catalina.ha.session.DeltaSession.lock(DeltaSession.java:184)
at 
org.apache.catalina.ha.session.DeltaSession.setAttribute(DeltaSession.java:517)
at 
org.apache.catalina.ha.session.DeltaSession.setAttribute(DeltaSession.java:502)
at 
org.apache.catalina.session.StandardSessionFacade.setAttribute(StandardSessionFacade.java:130)
at 
com.lutris.appserver.server.sessionContainerAdapter.ContainerAdapterSession.setHttpSession(ContainerAdapterSession.java:230)
at 
com.lutris.appserver.server.sessionContainerAdapter.ContainerAdapterSessionManager.getSession(ContainerAdapterSessionManager.java:311)
at 
com.lutris.appserver.server.sessionContainerAdapter.ContainerAdapterSessionManager.getSession(ContainerAdapterSessionManager.java:342)
at 
com.lutris.appserver.server.sessionContainerAdapter.TomcatContainerAdapterSessionManager.getSession(TomcatContainerAdapterSessionManager.java:273)
at 
com.lutris.appserver.server.StandardAppUtil.getRequestSession(StandardAppUtil.java:323)
at 
com.lutris.appserver.server.StandardApplication.ensureSession(StandardApplication.java:718)
at 
com.lutris.appserver.server.StandardApplication.requestPreprocessor(StandardApplication.java:900)
at com.ours.WebApp.requestPreprocessor(WebApp.java:83)
at 
com.lutris.appserver.server.httpPresentation.HttpPresentationManager.runRequestPreprocessor(HttpPresentationManager.java:400)
at 
com.lutris.appserver.server.httpPresentation.HttpPresentationManager.Run(HttpPresentationManager.java:247)
at 
com.lutris.appserver.server.httpPresentation.servlet.HttpPresentationServlet.serviceDirect(HttpPresentationServlet.java:682)
at 
com.lutris.appserver.server.httpPresentation.servlet.HttpPresentationServlet.service(HttpPresentationServlet.java:807)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175)
at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:128)
at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at 
org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:347)
at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:286)
at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:190)
at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:283)
at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:767)
at 
org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:697)
at 
org.apache.jk.common.ChannelSocket$SocketConnection.runIt(ChannelSocket.java:889)
at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:690)
at java.lang.Thread.run(Thread.java:595)

Note: The Master server is not in the same network (LAN) with other 3 servers

Regards,
Mohamedin

Re: Session replication problem

2009-02-10 Thread Mohamedin


Let me give an example:

I have server1 with tomcat8080  tomcat8081
server2 also with tomcat8080  tomcat8081

I need server1.tomcat8080  server2.tomcat8080 to replicate their sessions

and server1.tomcat8081  server2.tomcat8081 to replicate their sessions

What I see in the log is all see all sessions e.g.

server1.tomcat8080, server2.tomcat8080, server1.tomcat8081  
server2.tomcat8081 replicate the sessions all together



Thanks a lot,
Mohamedin
- Original Message - 
From: Filip Hanik - Dev Lists devli...@hanik.com

To: Tomcat Users List users@tomcat.apache.org
Sent: Tuesday, February 10, 2009 4:10 AM
Subject: Re: Session replication problem



Mohamedin wrote:
I have a problem with Session replication. I am running multible tomcat 
instance on the same server. And I have 4 servers of the same 
configuration (Multible tomcat instances). I have enabled the session 
replication on these 4 servers (In each instance with different port).


The problem is that All instances see each other. while I only need 
similar instances to see each other.


I'm not sure I understand what you are trying to achieve, what do you mean 
by similar


Filip


The config:


Engine name=Catalina defaultHost=localhost jvmRoute=myserver

 Cluster className=org.apache.catalina.ha.tcp.SimpleTcpCluster 
channelSendOptions=8
 Manager 
className=org.apache.catalina.ha.session.DeltaManager
 expireSessionsOnShutdown=false 
notifyListenersOnReplication=true

 domainReplication=true /
 Channel 
className=org.apache.catalina.tribes.group.GroupChannel
 Sender 
className=org.apache.catalina.tribes.transport.ReplicationTransmitter
 Transport 
className=org.apache.catalina.tribes.transport.nio.PooledParallelSender 
/

 /Sender
 Receiver 
className=org.apache.catalina.tribes.transport.nio.NioReceiver
 address=245.245.245.245 port= 
autoBind=100 selectorTimeout=5000

 maxThreads=6 /
 Interceptor 
className=org.apache.catalina.tribes.group.interceptors.TcpFailureDetector 
/
 Interceptor 
className=org.apache.catalina.tribes.group.interceptors.MessageDispatch15Intercepto 
r /
 Interceptor 
className=org.apache.catalina.tribes.group.interceptors.StaticMembershipInterceptor 

 Member 
className=org.apache.catalina.tribes.membership.StaticMember
 port= securePort=-1 
host=245.245.245.246 domain=245.245.245.246 /
 Member 
className=org.apache.catalina.tribes.membership.StaticMember
 port= securePort=-1 
host=245.245.245.247 domain=245.245.245.247 /
 Member 
className=org.apache.catalina.tribes.membership.StaticMember
 port= securePort=-1 
host=245.245.245.248 domain=245.245.245.248 /

 /Interceptor
 /Channel
 Valve 
className=org.apache.catalina.ha.tcp.ReplicationValve filter= /
 ClusterListener 
className=org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener 
/
 ClusterListener 
className=org.apache.catalina.ha.session.ClusterSessionListener /

 /Cluster
.
.
.

other instances use the same config (Only different port)


In the log I see:

07.02.2009 18:08:19 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: 
/usr/lib/jvm/java-1.5.0-sun-1.5.0.14/jre/lib/amd64/server:/usr/lib/jvm/java-1.5.0-sun-1.5.0.14/jre/lib/amd64:/usr/lib/jvm/java-1.5.0-sun-1.5.0.14/jre/../lib/amd64

07.02.2009 18:08:20 org.apache.coyote.http11.Http11Protocol init
INFO: Initializing Coyote HTTP/1.1 on http-8083
07.02.2009 18:08:20 org.apache.catalina.startup.Catalina load
INFO: Initialization processed in 483 ms
07.02.2009 18:08:20 org.apache.catalina.core.StandardService start
INFO: Starting service Catalina
07.02.2009 18:08:20 org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/6.0.16
07.02.2009 18:08:20 org.apache.catalina.ha.tcp.SimpleTcpCluster start
INFO: Cluster is about to start
07.02.2009 18:08:20 org.apache.catalina.tribes.transport.ReceiverBase 
bind

INFO: Receiver Server Socket bound to:/245.245.245.245:
07.02.2009 18:08:20 
org.apache.catalina.tribes.membership.McastServiceImpl setupSocket

INFO: Setting cluster mcast soTimeout to 500
07.02.2009 18:08:20 
org.apache.catalina.tribes.membership.McastServiceImpl waitForMembers
INFO: Sleeping for 1000 milliseconds to establish cluster membership, 
start level:4

Session replication problem

2009-02-09 Thread Mohamedin

 org.apache.catalina.tribes.membership.McastServiceImpl 
waitForMembers
INFO: Done sleeping, membership established, start level:4
07.02.2009 18:08:21 org.apache.catalina.tribes.membership.McastServiceImpl 
waitForMembers
INFO: Sleeping for 1000 milliseconds to establish cluster membership, start 
level:8
07.02.2009 18:08:21 org.apache.catalina.tribes.io.BufferPool getBufferPool
INFO: Created a buffer pool with max size:104857600 bytes of 
type:org.apache.catalina.tribes.io.BufferPool15Impl
07.02.2009 18:08:21 org.apache.catalina.ha.session.ClusterSessionListener 
messageReceived
WARNUNG: Context manager doesn't exist:localhost#/shop
07.02.2009 18:08:21 org.apache.catalina.ha.session.ClusterSessionListener 
messageReceived
WARNUNG: Context manager doesn't exist:localhost#/shop
07.02.2009 18:08:22 org.apache.catalina.ha.session.ClusterSessionListener 
messageReceived
WARNUNG: Context manager doesn't exist:localhost#/shop
07.02.2009 18:08:22 org.apache.catalina.tribes.membership.McastServiceImpl 
waitForMembers
INFO: Done sleeping, membership established, start level:8
07.02.2009 18:08:22 org.apache.catalina.ha.session.ClusterSessionListener 
messageReceived
WARNUNG: Context manager doesn't exist:localhost#/shop
07.02.2009 18:08:22 org.apache.catalina.loader.WebappClassLoader validateJarFile
07.02.2009 18:08:22 org.apache.catalina.ha.session.DeltaManager start
INFO: Register manager /shop to cluster element Engine with name Catalina
07.02.2009 18:08:22 org.apache.catalina.ha.session.DeltaManager start
INFO: Starting clustering manager at /shop
07.02.2009 18:08:22 org.apache.catalina.ha.session.DeltaManager 
getAllClusterSessions
WARNUNG: Manager [localhost#/shop], requesting session state from 
org.apache.catalina.tribes.membership.MemberImpl[tcp://{245, 245, -127, 
-122}:8886,{245, 245, -127, -122},8886, alive=2072194104,id={-97 85 125 -85 -14 
18 65 -52 -76 -69 -84 -6 -58 -90 -7 -51 }, payload={}, command={}, domain={}, 
]. This operation will timeout if no session state has been received within 60 
seconds.
07.02.2009 18:08:23 org.apache.catalina.ha.session.DeltaManager 
waitForSendAllSessions
INFO: Manager [localhost#/shop]; session state send at 07.02.09 18:08 received 
in 421 ms.
07.02.2009 18:08:23 org.apache.catalina.ha.session.DeltaManager 
getAllClusterSessions
WARNUNG: Manager [localhost#/shop]: Drop message SESSION-MODIFIED inside 
GET_ALL_SESSIONS sync phase start date 07.02.09 18:00 message date 07.02.09 
18:00


Thanks a lot,
Mohamedin

RE: Why Tomcat hang for a while before starting

2008-03-06 Thread Mohamed Mohamedin

Can you please tell me how to detect such symbolic link.

Thanks a lot

-Original Message-
From: Caldarale, Charles R [mailto:[EMAIL PROTECTED] 
Sent: Wednesday, March 05, 2008 12:42 AM
To: Tomcat Users List
Subject: RE: Why Tomcat hang for a while before starting

 From: Mohamed Mohamedin [mailto:[EMAIL PROTECTED] 
 Subject: Why Tomcat hang for a while before starting

 main prio=1 tid=0x401161f0 nid=0x70ed runnable
 [0x7fdc1000..0x7fdc35d0]
 at java.io.UnixFileSystem.list(Native Method)
 at java.io.File.list(File.java:937)

 The only difference I can tell is the slow one have a 
 symbolic link in its webapps while the other not.

I'd be looking for symbolic links that are forming an infinite loop.

 - Chuck

THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY
MATERIAL and is thus for use only by the intended recipient. If you
received this in error, please contact the sender and delete the e-mail
and its attachments from all computers.

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Why Tomcat hang for a while before starting

2008-03-04 Thread Mohamed Mohamedin

Dear All,

 

I have problems with very slow staring up time of tomcat (about 15 minutes).
I have tried many solutions but still the same result. I have took this
thread dump using kill -3 tomcatpid while the 15 minutes of no response
and here is the dump:

 

Full thread dump Java HotSpot(TM) 64-Bit Server VM (1.5.0_10-b03 mixed
mode):

 

Low Memory Detector daemon prio=1 tid=0x2aba1820 nid=0x70f9
runnable [0x..0x]

 

CompilerThread1 daemon prio=1 tid=0x2ab9fbf0 nid=0x70f8 waiting on
condition [0x..0x40c5a400]

 

CompilerThread0 daemon prio=1 tid=0x2ab9e640 nid=0x70f7 waiting on
condition [0x..0x40b59580]

 

AdapterThread daemon prio=1 tid=0x2ab9cf20 nid=0x70f6 waiting on
condition [0x..0x]

 

Signal Dispatcher daemon prio=1 tid=0x2ab9bbc0 nid=0x70f5 waiting
on condition [0x..0x]

 

Finalizer daemon prio=1 tid=0x2ab87720 nid=0x70f4 in Object.wait()
[0x40857000..0x40857d20]

at java.lang.Object.wait(Native Method)

- waiting on 0x2aacefbf8c58 (a
java.lang.ref.ReferenceQueue$Lock)

at
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)

- locked 0x2aacefbf8c58 (a
java.lang.ref.ReferenceQueue$Lock)

at
java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)

at
java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)

 

Reference Handler daemon prio=1 tid=0x2ab86ef0 nid=0x70f3 in
Object.wait() [0x40756000..0x40756ea0]

at java.lang.Object.wait(Native Method)

- waiting on 0x2aacefb404d8 (a
java.lang.ref.Reference$Lock)

at java.lang.Object.wait(Object.java:474)

at
java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)

- locked 0x2aacefb404d8 (a
java.lang.ref.Reference$Lock)

 

main prio=1 tid=0x401161f0 nid=0x70ed runnable
[0x7fdc1000..0x7fdc35d0]

at java.io.UnixFileSystem.list(Native Method)

at java.io.File.list(File.java:937)

at
org.apache.naming.resources.FileDirContext.list(FileDirContext.java:894)

at
org.apache.naming.resources.FileDirContext.list(FileDirContext.java:311)

at
org.apache.naming.resources.ProxyDirContext.list(ProxyDirContext.java:482)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:632)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:647)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:647)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:647)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:647)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePathsWebInf(TldConfig.j
ava:647)

at
org.apache.catalina.startup.TldConfig.tldScanResourcePaths(TldConfig.java:60
1)

at
org.apache.catalina.startup.TldConfig.execute(TldConfig.java:282)

at
org.apache.catalina.core.StandardContext.processTlds(StandardContext.java:43
07)

at
org.apache.catalina.core.StandardContext.start(StandardContext.java:4144)

- locked 0x2aacefbf8e48 (a
org.apache.catalina.core.StandardContext)

at
org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:7
60)

- locked 0x2aacefbf9120 (a java.util.HashMap)

at
org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:740)

at
org.apache.catalina.core.StandardHost.addChild(StandardHost.java:544)

at
org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:920)

at
org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:883
)

at
org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:492)

at
org.apache.catalina.startup.HostConfig.start(HostConfig.java:1138)

at
org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)

at
org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSuppor
t.java:120)

at
org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1022)

- locked 0x2aacefbf9160 (a
org.apache.catalina.core.StandardHost)

at
org.apache.catalina.core.StandardHost.start(StandardHost.java:736)

- locked 0x2aacefbf9160 (a
org.apache.catalina.core.StandardHost)

at

RE: Why Tomcat take about 15 minutes to start?

2008-02-19 Thread Mohamed Mohamedin

The log is like this in the lines that cause the problem:

Feb 18, 2008 10:26:57 PM org.apache.catalina.core.StandardEngine start
INFO: Starting Servlet Engine: Apache Tomcat/5.5.25
Feb 18, 2008 10:26:57 PM org.apache.catalina.core.StandardHost start
INFO: XML validation disabled
log4j:WARN No appenders could be found for logger 
(org.apache.commons.digester.Digester.sax).
log4j:WARN Please initialize the log4j system properly.


The delay are between the line INFO: XML validation disabled and the next one 
 log4j:WARN No appenders could be found for logger

And then the application starts correctly (Enhydra application) and in about 2 
seconds

2008-02-18   22:39:32,036: (first log message from the application)
.
.
.
Feb 18, 2008 10:39:33 PM org.apache.catalina.startup.Catalina start
INFO: Server startup in 756278 ms (last log message)

Also I have no iptables.

Thanks
-Original Message-
From: Christopher Schultz [mailto:[EMAIL PROTECTED] 
Sent: Monday, February 18, 2008 9:45 PM
To: Tomcat Users List
Subject: Re: Why Tomcat take about 15 minutes to start?

-BEGIN PGP SIGNED MESSAGE-
Hash: SHA1

Mohamed,

Mohamed Mohamedin wrote:
| I am using Tomcat 5.5.25 on SUSE Linux 10.1 (X86-64) and Java 1.5.0_10
from
| Sun.
| When I run Tomcat using catalina.sh start and watching the log it
stop at
| INFO: XML validation disabled and take about 15 minutes before
continuing
| next lines and starting. Please help me to know why?

After the 15 minute delay, what log messages are in the log file?

I'm wondering if the delay is related to repeated failed DNS lookups or
even a firewall issue when trying to grab a DTD or XML Schema.

Do you have iptables blocking anything in particular? Are you getting
anything in your kernel log related to dropped packets?

Finally, does the application start up correctly (eventually)?

- -chris

-BEGIN PGP SIGNATURE-
Version: GnuPG v1.4.8 (MingW32)
Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org

iEYEARECAAYFAke54D8ACgkQ9CaO5/Lv0PDfUwCgjYJKTQz9n4goNxo4WfrlRcHv
3jMAnjdobEvsNNKEiTINW53G8tCXYqyK
=gCg0
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RE: Why Tomcat take about 15 minutes to start?

2008-02-18 Thread Mohamed Mohamedin

The same delay approx.

-Original Message-
From: Leon Rosenberg [mailto:[EMAIL PROTECTED] 
Sent: Monday, February 18, 2008 12:56 AM
To: Tomcat Users List
Subject: Re: Why Tomcat take about 15 minutes to start?

And without the enhydra app?
Leon

On Feb 17, 2008 9:36 PM, Mohamed Mohamedin [EMAIL PROTECTED]
wrote:
 It has internet connection and can connect to apache.org. Also It has app
 (Enhydra Application)

 -Original Message-
 From: Leon Rosenberg [mailto:[EMAIL PROTECTED]
 Sent: Sunday, February 17, 2008 4:46 PM
 To: Tomcat Users List
 Subject: Re: Why Tomcat take about 15 minutes to start?

 is your server connected to the internet (e.g. can make requests,
 specially to apache.org) ?
 Is it a vanilla tomcat or have you put some app into it? Especially a
 struts app?

 regards
 Leon

 On Feb 17, 2008 2:43 PM, Mohamed Mohamedin [EMAIL PROTECTED]
 wrote:
  This message
 http://readlist.com/lists/tomcat.apache.org/users/9/46003.html; talked
 about APR. Which I don't use.

  But I found in the last these lines
   Anyway: since you've not configured an HTTPS Connector in Tomcat, I
  don't really have an explanation for the slow startup.

  I use the default server.xml and it has only this connector:
 Connector port=8080 protocol=HTTP/1.1
 connectionTimeout=2
 redirectPort=8443 /
  So is really my problem has no explanation?

  Thanks again  for your help

  -Original Message-
  From: Markus Schönhaber [mailto:[EMAIL PROTECTED]
  Sent: Sunday, February 17, 2008 1:15 AM
  To: users@tomcat.apache.org
  Subject: Re: Why Tomcat take about 15 minutes to start?

  Neha Agrawal wrote:

but i did not receive it...dont know why?

  This is what Christopher pointed you to:
  http://readlist.com/lists/tomcat.apache.org/users/9/46003.html

  Regards
mks

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RE: Why Tomcat take about 15 minutes to start?

2008-02-17 Thread Mohamed Mohamedin

This message http://readlist.com/lists/tomcat.apache.org/users/9/46003.html; 
talked about APR. Which I don't use.

But I found in the last these lines
 Anyway: since you've not configured an HTTPS Connector in Tomcat, I
don't really have an explanation for the slow startup.

I use the default server.xml and it has only this connector:
   Connector port=8080 protocol=HTTP/1.1
   connectionTimeout=2
   redirectPort=8443 /
So is really my problem has no explanation?

Thanks again  for your help

-Original Message-
From: Markus Schönhaber [mailto:[EMAIL PROTECTED] 
Sent: Sunday, February 17, 2008 1:15 AM
To: users@tomcat.apache.org
Subject: Re: Why Tomcat take about 15 minutes to start?

Neha Agrawal wrote:

  but i did not receive it...dont know why?

This is what Christopher pointed you to:
http://readlist.com/lists/tomcat.apache.org/users/9/46003.html

Regards
  mks

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How to make Tomcat do not use /dev/random?

2008-02-17 Thread Mohamed Mohamedin

Dear All,

 

I am facing a problem with tomcat which make it start very slowly. I found
while searching that Tomcat reading from /dev/random to get random numbers
may be the cause. So I am asking How to prevent that? Or if there is another
cause please tell me.

 

Thanks a lot

RE: Why Tomcat take about 15 minutes to start?

2008-02-17 Thread Mohamed Mohamedin

It has internet connection and can connect to apache.org. Also It has app
(Enhydra Application)

-Original Message-
From: Leon Rosenberg [mailto:[EMAIL PROTECTED] 
Sent: Sunday, February 17, 2008 4:46 PM
To: Tomcat Users List
Subject: Re: Why Tomcat take about 15 minutes to start?

is your server connected to the internet (e.g. can make requests,
specially to apache.org) ?
Is it a vanilla tomcat or have you put some app into it? Especially a
struts app?

regards
Leon

On Feb 17, 2008 2:43 PM, Mohamed Mohamedin [EMAIL PROTECTED]
wrote:
 This message
http://readlist.com/lists/tomcat.apache.org/users/9/46003.html; talked
about APR. Which I don't use.

 But I found in the last these lines
  Anyway: since you've not configured an HTTPS Connector in Tomcat, I
 don't really have an explanation for the slow startup.

 I use the default server.xml and it has only this connector:
Connector port=8080 protocol=HTTP/1.1
connectionTimeout=2
redirectPort=8443 /
 So is really my problem has no explanation?

 Thanks again  for your help

 -Original Message-
 From: Markus Schönhaber [mailto:[EMAIL PROTECTED]
 Sent: Sunday, February 17, 2008 1:15 AM
 To: users@tomcat.apache.org
 Subject: Re: Why Tomcat take about 15 minutes to start?

 Neha Agrawal wrote:

   but i did not receive it...dont know why?

 This is what Christopher pointed you to:
 http://readlist.com/lists/tomcat.apache.org/users/9/46003.html

 Regards
   mks

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Why Tomcat take about 15 minutes to start?

2008-02-16 Thread Mohamed Mohamedin

Dear All,

I am using Tomcat 5.5.25 on SUSE Linux 10.1 (X86-64) and Java 1.5.0_10 from
Sun.
When I run Tomcat using catalina.sh start and watching the log it stop at
INFO: XML validation disabled and take about 15 minutes before continuing
next lines and starting. Please help me to know why?

Thanks a lot



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Re: Errors in session replication and very high server load

Tomcat monitoring

Re: JNI problem

Re: JNI problem

JNI problem

APR is not working

Re: APR is not working

Session Replication problems

Re: Session replication problem

Session replication problem

RE: Why Tomcat hang for a while before starting

Why Tomcat hang for a while before starting

RE: Why Tomcat take about 15 minutes to start?

RE: Why Tomcat take about 15 minutes to start?

RE: Why Tomcat take about 15 minutes to start?

How to make Tomcat do not use /dev/random?

RE: Why Tomcat take about 15 minutes to start?

Why Tomcat take about 15 minutes to start?

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