The java tag has no wiki summary.
0
votes
0answers
19 views
Running Hudson builds with a higher nice level
I want to run build jobs in Jenkins with minimal cpu usage. I've tried this:
Created the directory "jenkinsJdk".Jenkins is configured to use this dir as JDK "testJdk". A sample job uses "testJdk" ...
0
votes
0answers
9 views
FTP Active Mode not working from Amazon server
I need some help on this issue. First question.
I've searched many pages but found no solution for my problem.
I guess my code needs to use Active mode when connecting an FTP server. I've tested ...
0
votes
0answers
17 views
Why is a java application causing 100% CPU usage in Mac OS X Dock? [migrated]
I develop java applications using the Glassfish application server and when I deploy/undeploy applications the CPU usage of the Dock in Mac OS X shoots up to >100% and the system becomes unresponsive ...
3
votes
2answers
61 views
java.lang.OutOfMemoryError on ec2 machine
I have a java app on a large instance that will spawn up to 800 threads. I can run the application fine as user "root" but not as another user which I created. I get the deadly.
...
0
votes
0answers
11 views
Java Application Server information requested [closed]
Several times now, for various clients, I've had a horriffic time with JBoss from performance and configuration points of view.
I've now been asked to choose a Java-based, or at least Java-oriented, ...
1
vote
2answers
34 views
so many releases… how to select (Tomcat, JDK, etc.)?
When deciding to install Tomcat on a Linux CentOS 6.2 server, I'm faced with a variety of releases to select from. See for example here. Regarding JDK releases, there are also are variety to select ...
0
votes
1answer
45 views
Jenkins (JVM) crashes after few minutes after start
Host OS: OpenVZ host
Guest OS: Debian 6.0 minimal
Java: java6 sun
Servlet container: Winstone
Jenkins for debian: http://pkg.jenkins-ci.org/debian/
Jenkins version: 1.449
uname -a: Linux hostname ...
0
votes
1answer
40 views
Strange Jmeter connection refuse on Tomcat
I tried difference setting in Jmeter and Tomcat.
If the Threads number in JMeter is 1~200, Then tomcat is okay.
If It is 300, Then after serving few requests, tomcat starts to output errors.
Here ...
-3
votes
1answer
79 views
Why does Apple supply their own version of Java? [closed]
If Java can run on any system, why is apple so protective of Java and its updates?
-1
votes
1answer
42 views
tomcat cannot write files into WEB-INF folder
I used cpanel+tomcat .the Project structure is :
ROOT
----index.jsp
---- sample.txt
----- /WEB-INF/classes/pack2/sample2.txt
tomcat Can write into sample.txt with permission 664 . but cannot ...
0
votes
0answers
21 views
Installing ActiveMQ with SSL failing
I am trying to get SSL working on ActiveMQ but keep running into the error:
SSL received a record that exceeded the maximum permissible length.
(Error code: ssl_error_rx_record_too_long)
I am ...
1
vote
1answer
18 views
Installation of SSL certificates onto stand-alone ActiveMQ failing
I am trying to get SSL working on ActiveMQ but keep running into the error:
SSL received a record that exceeded the maximum permissible length.
(Error code: ssl_error_rx_record_too_long)
I am ...
3
votes
2answers
122 views
Force refresh of client's java cache.
I have an Oracle Application server that has been upgraded. It serves users a java file which they launch in their browser. After the upgrade user's browsers are still pulling the old java file from ...
1
vote
1answer
127 views
How to setup the JAVA_HOME at the ubuntu startup [closed]
I want to set it at startup in Ubuntu. Currently I have to manually set it after starting up.
0
votes
2answers
35 views
Does java respect PATH env variable when resolves .jar filename?
This is what I have in PATH:
PATH=/opt/ClosureCompiler:/home/vmadmin/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
There is a compiler.jar in /opt/ClosureCompiler, but ...
0
votes
0answers
57 views
JVM Max heap size
For an application I use JVM Max heap setting when starting it on both a test environment and a production system. When i connect via JMX to monitor the application I see that the max heap size of ...
2
votes
2answers
62 views
Java Runtime Environement on Windows 7, disable “Enable the next-generation Java Plug-in”
Starting from jre 1.6u10, browser integration uses a so-called "next-generation plugin".
Some old applications are not compatible with it, and (on windows) it could be disabled in control panel, ...
1
vote
1answer
36 views
JMX connection to Tomcat running on Amazon EC2
My Tomcat 7 process, which I run on a server on Amazon EC2, has settings such as these in CATALINA_OPTS which should allow me to connect for JMX monitoring remotely:
...
0
votes
1answer
102 views
How can webapps within Apache Tomcat use SSL/TLS client-certificate authentication as clients?
I am using Apache Tomcat webapp as a client (java) to an IIS hosted webservice.
I need to use SSL with client authentication.
What kind of matching criteria is used by the client to send a client ...
2
votes
3answers
105 views
How to diagnose RAM?
I have a java process that is aborted after a while with SIGSEGV. It started to happen after I upgraded the server with more RAM. Having tested on different JVMs I suspect it might be a hardware ...
0
votes
1answer
40 views
how set owner of file cms.war for ftpuser and owner of cms folder for tomcat user?
I'm using Tomcat Server. I woiuld like the owner of the file cms.war to be the ftp user the tomcat user to be the owner of the cms/ folder.
When I uploaded cms.war it was automatically deployed in ...
0
votes
2answers
41 views
find the path of jdk and set JAVAHOME
I've got java installed on my Ubuntu VirtualBox, and I am trying to run sunspot, but sunspot can't find java.
typing 'java' from the command line return
The program 'java' can be found in the ...
0
votes
1answer
90 views
Copy a Java keystore on one machine to another?
I have a keystore on one machine (at /root/.keystore) and I want to move it to another machine at the same location. Currently, the second machine doesn't have a keystore at /root/.keystore, is there ...
0
votes
0answers
19 views
Streaming Media Content from Lighttpd and static Content from JBoss
I have my web application based on JSF running on JBOSS server on Linux OS..
My web application demands significant media content on the website..
As such I am hoping to use lighttpd to server media ...
0
votes
1answer
82 views
Tomcat access control exceptions (binding to RMI) with no Security Manager running (Ubuntu)
I'm encountering some strange access control exceptions from a Tomcat servlet (when it tries to bind to an RMI server). I'm running without a Security Manager, and this whole application worked fine ...
0
votes
1answer
32 views
Very often database PostgreSQL for my webapp fails
I have web application like
Nginx (proxy) + Tomcat (backend) + PostgreSQL (database).
This web application is located on amazon free tier instance (http://aws.amazon.com/free/) and very often from ...
0
votes
1answer
44 views
Serial Port (COM1) becomes unresponsive
Originally I made a POS application using Excel/VB. Everything worked A-OK, especially the serial communication with the POS display pole. Here's an example of the code by which I had the ...
0
votes
0answers
39 views
people soft installation error
I m new in peoplesoft and never installed it nor used but in my work place I was asked to install it and configure it with oracle. So I did a lot of search for the correct way to download and install ...
0
votes
0answers
47 views
Java JSP project not getting deployed properly on tomcat , Broken Pipe error reported
Tomcat Version: 5.5
Database: Oracle 10g
Server OS: Linux
I am trying to deploy one of my JAVA/JSP web projects on Tomcat 5.5 server, the project is not getting deployed properly the Java(Sevlets, ...
1
vote
1answer
172 views
Oracle 11. Updating BLOB field. Db file sequential read inappropriately slow?
I've and Oracle (11 Enterprise) schema with a table
CREATE TABLE USER.WSP_BUNDLE (
NODE_ID RAW(16) NOT NULL,
BUNDLE_DATA BLOB NOT NULL
);
CREATE UNIQUE INDEX USER.WSP_BUNDLE_IDX ...
0
votes
4answers
127 views
Tomcat 7: “Cannot locate Java Home”
Arch Linux. Servlet apparently had compatibility problems with openjdk so I uninstalled it and installed the plain jdk/jre from AUR.
# /etc/rc.d/tomcat7 restart
:: Stopping tomcat7 daemon [FAIL]
:: ...
1
vote
1answer
64 views
Why Tomcat doesn't stop?
When I run command:
catalina.sh stop
I receive error:
org.apache.catalina.startup.Catalina stopServer
SEVERE: Catalina.stop:
java.net.ConnectException: Connection refused
at ...
1
vote
0answers
71 views
error ocuuring ::: failed to install tomcat 7 service
While I'm trying to install Tomcat(apache-tomcat-7.0.23.exe) on my system (Windows XP SP3), which is in company's network, it is showing me the following error:
failed to install tomcat 7 service ...
0
votes
0answers
14 views
Pending Messages, but Browsing Queue Shows No Messages
I am looking for some help in troubleshooting an ActiveMQ installation. We are running ActiveMQ 5.4.2 on Linux on Java 1.6.0.25 using Java Hot Spot 64-bit Server VM. We're using KahaDB as our ...
0
votes
2answers
74 views
Java class path completely ignored (OS X)
I'm trying to run a jar that is located at /Library/Java/jack.jar, this works:
java -jar /Library/Java/jack.jar
However, I want to run it without the path, relying on the class path. The default ...
0
votes
1answer
81 views
Running some benchmarks using ab, and tomcat starts to really slow down
I'm running some benchmarks using apache bench for a java app that is running on tomcat.
Say I run a test like:
ab -c 10 -n 10000 http://localhost:8080/hello/world
It will run just fine. If I ...
0
votes
0answers
19 views
jfreechart.jar file not supporting
I have some code where I am making bar graph with the help of jfreechart.jar file
its working ok in my local system but its not working in my server showing this error-
warning: [options] bootstrap ...
1
vote
3answers
107 views
What consumes memory in java process?
we are trying to investigate memory usage of java process under moderate load.
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
12663 test 20 0 8378m 6.0g 4492 S 43 8.4 ...
0
votes
0answers
25 views
Error in Calling Oracle Web Service through Eclipse-indigo
I'm getting an below error when trying to call my oracle web service through Eclipse-indigo.
Error:-
IWAB0135E An unexpected error has occurred.
502
Bad Gateway
Steps followed to ...
-1
votes
1answer
49 views
Run Securetrading java jar file automatically on startup of centos server
This is an extension of my previous post. Basically I want to start the following service automatically when the server is booted:
cd /usr/local/stapi java –jar StApi.jar
this is from Securetrading ...
0
votes
1answer
56 views
How to start java service automatically when Centos server starts up
I have a server running CentOS, which I am configuring and I would like to have a java service startup automatically when the server is restarted how can I go about doing this?
The command to run the ...
0
votes
1answer
44 views
how to prevent a JRuby application from freezing linux(CentOS 5.4) server?
A simple jruby process is freezing our Amazon EC2 Cent OS 5.4 instance. To get it back we have to reboot the complete VM from Amazon Mgmt Console.
Is there way to prevent an app from freezing the ...
1
vote
2answers
33 views
issue with installing open jdk in ubuntu natty
I am having this issue:
herlamba@domU-12-31-39-01-F2-1D:~$ sudo dpkg --configure -a
Setting up openjdk-6-jre-headless (6b22-1.10.4-0ubuntu1~11.04.1) ...
^C
^C
and it is just basically stuck in ...
1
vote
1answer
44 views
Performance factors in remote database access
I have a Java application which accesses a database. I tested it on my local machine with local database and it works just fine. But when I test it in our test environment where the application server ...
0
votes
2answers
108 views
run zimbra on low spec virtual machine
I am trying to install zimbra server on a low spec virtual machine running ubuntu 10.04. I do meet the requirements as documented here (1 GB RAM/5 GB free disk space).
I got the virtual machine ...
-4
votes
1answer
54 views
How i know how many user accessing the website [closed]
I have to show how many people are online in that site. The site has developed j2ee (jsp and servlet). How can i do that???
0
votes
0answers
47 views
Integrating IIS 7 and Glassfish server
I'm trying to integrate IIS 7 and glassfish server.
So that the webpages from my web app are pulled up from the glassfish server over the internet.
2
votes
1answer
63 views
Do we need to reboot Ubuntu server after un-installing tomcat6
i am on ubuntu 10.04 server, having tomcat6. because of some reasons i had to un-install it so i used
apt-get purge tomcat6
it removed tomcat and config files.
now i am trying to install tomcat6 ...
3
votes
1answer
67 views
How does my jre exceed its heap limits?
I have a jvm whose actual memory use is well in excess of the limits with which it's being launched. It's a Sun VM:
root@jira:/opt/atlassian/jira/jre# ./bin/java -version
java version "1.6.0_26"
...
0
votes
4answers
123 views
Which virtualization for High CPU environment
I built a freebsd guest OS for a custom Java application. No Gui, no frills, just SSH and an API to coordinate all the machines.
This application is inherently single-threaded, and it is only limited ...
