Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms

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WebLogic Server internal server error

when I deploy a project in Apache Tomcat 6.0 it's working fine. When I deploy the same project in weblogic server 10.3 it's showing an error like below: Error 500--Internal Server Error ...
1
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0answers
5 views

Garbage Collection and Memory Visualizer (GCMV) Doesn't Always Generate A Report

I'm using GCMV within ISA 4.1 to analyze some gc logs from a cluster. When I open a native_stderr.log file in that tool, it always creates the following 4 reports/tabs: Table data Line plot ...
0
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1answer
347 views

How do I change Jboss' logging directory

I'm running jboss-as 7.2. I'm trying to configure all log files to go to /var/log/jboss-as but only the console log is going there. I'm using the init.d script provided with the package and it calls ...
0
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2answers
17 views

How can I install multiple Atlassian applications in a single server?

Ok, this is a two-part question. I got an unmanaged VPS with CentOS from a hosting company in order to install several Atlassian tools, however, I ran into the problem that when starting a second ...
1
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0answers
25 views

elasticsearch glibc memory corruption

My elastic search clusters keep crashing for no reason. All I can see in the logs is : INFO | jvm 4 | 2015/04/17 19:10:09 | *** glibc detected *** /usr/java/jre1.7.0_04/bin/java: malloc(): ...
0
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1answer
863 views

java 7: should users be aware of changes in heap memory handling?

After installing the latest Java 7 Development Kit (Java SE 7u11) on my Windows 7 Professional 32bit PC with 4Gb RAM, I noticed I can't allocate much memory for Tomcat. Whereas these memory settings ...
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0answers
6 views

error in tomcat missing “php-cgi”

i tried to install(windows) javabridge to connect java and php.Its giving me an error saying php-cgi missing Here is what i did. What am i missing here? 1) Copied javabridge.jar , php-servlet.jar and ...
0
votes
2answers
102 views

Prevent APT from overwriting custom files

My server runs a Java application that requires I replace a few java library files with ones I downloaded on my own. This has to do with JCE security extensions and isn't really relevant to my ...
10
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7answers
34k views

Batch file to uninstall all Sun Java versions?

I'm setting up a system to keep Java in our office up to date. Everyone has all different versions of Java, many of them old and insecure, and some dating back as far as 1.4. I have a System Center ...
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3answers
1k views

javac compiler throwing error in CentOS 5.7

I'm trying to install Red5 on a vps running CentOS 5.7 in MediaTemple using this how-to (dv):Install Red5 Media Server but on step 7 I get this error: BUILD FAILED /usr/local/red5/build.xml:217: The ...
0
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3answers
4k views

Tomcat 7 Throwing Unsupported Class Version Error

I'm setting up a Tomcat server to host JSP sites. I have created a test application in Eclipse to make sure everything is working. All it does is print text in JSP, then call a function in a custom ...
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0answers
22 views

Ubuntu or Debian for a server? [on hold]

Can someone provide a good answer including some tech differences, some pros and cons for each distribution? I want to make the right choice and choose the right distro for my needs (running a cluster ...
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2answers
4k views

IIS 7 + Tomcat 7 - how to reach http://localhost:8080/my_app under e.g. http://my_app.local

In brief: IIS 7 + Apache Tomcat 7 + isapi_redirect.dll: I have a deployed and working Tomcat-application available under http://localhost:8080/my_app. I would like to see the same content under ...
0
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0answers
22 views

How to fix hung requests creating dead lock(/root/syn)?

We are running a search service using written in Java using solr We are noticing dead locks on the service. 14:00:30,465 WARN ThreadPoolAsynchronousRunner:416 - Task ...
2
votes
1answer
1k views

Java Deployment and Configuration (1.6.0_21)

Sofware: Java Runtime Environment 1.6.0_21 OS: Windows XP Professional 32-Bit, SP3 Situation: a new piece of web based software is being deployed this week and prior to this all the company desktops ...
2
votes
1answer
1k views

How do I set the jmx to listen in a specific IP

I am trying to configure jboss to allow monitoring with a jmx tool (I am looking at a few so no need to give). Looking at the properties in java jmx docs it does not seem to have a property to set ...
3
votes
1answer
2k views

Signing a Java Deployment Rule Set JAR using AD Certificate Services

I am tasked with deploying Java 7 Update 55 along with a Java Deployment Rule Set to all Active Directory Windows clients. I've managed to get a solid Java software deployment setup but I'm now ...
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0answers
6 views

Glassfish4: Should I run multiple applications in one domain?

I have 5 different Java EE 7 applications (WAR files) that communicate to each other via a REST interface. In production, is it "better" to deploy them all in one Glassfish4 domain, or to create a ...
2
votes
0answers
45 views

Unable to change vm.max_map_count for elasticsearch

Prehistory I have elasticsearch and SugarCRM7 running on CentOS 6.5. Every day I face the same problem: java outOfMemory error. That happens because of small vm.max_map_count value, 65530 only when ...
0
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0answers
16 views

Memory Leak in Solr cloud 4.8.1 and Lucene

I have a solr cloud instance version 4.8.1 with 8 nodes, 4 shards and facing memory leak on the JVMs here are the details of the instance. 8 nodes, 4 shards(2 nodes per shard) runs on Tomcat ...
0
votes
1answer
853 views

Unable to connect to remoteJMX but able to Telnet on same port after setting Dcom.sun.management.jmxremote environment variables?

I am rather perplexed at this point as we have a need to connect through remotejxm to monitor the JDK on a server through a monitoring application but I am repeatedly being told when trying to connect ...
1
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0answers
33 views

How to increase heap size for ws_ant.sh when deploying on WebSphere 8.5 (64-bit Linux)

TL;DR -- How do I give ws_ant.sh and/or the <wsInstallApp> task more heap at runtime? I am attempting to deploy a relatively large (~160-MB) EAR file to WebSphere 8.5 running on a 64-bit Linux ...
0
votes
1answer
46 views

HttpServletRequest.getRemoteAddr() always returns 127.0.0.1

We're attempting to identify where specific requests are coming from inside our Java application. We have changed the log files to include the IP address and we're using ...
3
votes
2answers
8k views

Which Java version should I run Jenkins with?

Reference: Jenkins Users :: Jenkins on Windows: Java + JRE (version) confusion Which Java version should I run Jenkins with (on Windows)? Should I use the included JRE of the Windows master? Should ...
0
votes
1answer
864 views

Tomcat web application intermittent freeze

I have a Grails web application (just a standard war file) deployed on a Ubuntu 10.10 server running on tomcat 6. My database is postgresql. The problem is that every so often (once or twice a day ...
1
vote
1answer
863 views

What is stopping my Visual JVM remote connection?

I have started my application with this settings below: -Dcom.sun.management.jmxremote=true -Dcom.sun.management.jmxremote.port=43588 -Dcom.sun.management.jmxremote.authenticate=false ...
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votes
0answers
28 views

How to force a yum update without all the dependencies [on hold]

Scenario: I removed java off all our machines and put it in a shared location and then reference it using via symbolic links /etc/alternatives it works great. However, when I try to do a yum update, ...
1
vote
1answer
732 views

iDRAC6 JViewer Unusable

I'm getting the following error when trying to launch the Virtual Console, but the Virtual Console Preview works fine (it displays a small preview about once a second). I've confirmed that my M610 ...
0
votes
1answer
50 views

Tomcat CPU and GC going crazy [closed]

Having some major issues with our Tomcat 7 installation. It used to run fine for over a year, but now the CPU is mainly at 400% - 700% (8 core machine) and in the logs I see tones of these: ...
0
votes
1answer
892 views

Error in tomcat 7 start up

I am facing problem in starting up the tomcat zip file. I am totally new to jsp and servlets. I have installed tomcat 7.0.52 and set the path and java_home both. In one of my system its working fine ...
0
votes
1answer
4k views

Error deploying Spring with JAX-WS application in Jboss 6 server

I'm getting this error when I deploying spring+JAX-WS application in jboss server 6.1.0. 09:14:38,175 ERROR [org.springframework.web.context.ContextLoader] Context initialization failed: ...
1
vote
1answer
925 views

Can't start WebLogic admin console

I'm wondering how to fix this error. We had the wrong Java installed on my machine when I got it, so my boss installed JRocket to fix things. WebLogic has been having problems ever since. I cannot ...
0
votes
2answers
495 views

Frequent occurence of FULL GC

There is a frequent occurence of FULL GC in our system. We are using Java application running on Tomcat server. Our application is running using internal load balancer setup. We are seeing lot of ...
3
votes
1answer
2k views

Connect to SVN repository with Netbeans using SVN+SSH

I am trying to connect to a SVN server in order to import my project into it with svn+ssh authentication method. I am using the NetBeans IDE (6.8) with subversion plugin installed on Windows XP SP2. I ...
1
vote
1answer
964 views

Connecting jconsole using SOCKS to Amazon EC2

I'm trying to use jconsole to view stats on an EC2 instance by using a socks proxy created by SSH. I've tried the various scripts mentioned in the links below but to no avail: ...
1
vote
1answer
1k views

Tomcat 7 ClassNotFoundException: org.apache.tomcat.JarScanner

When I try and start my app I get this error. I have verified that JarScanner exists in the CATALINA_HOME directory so I dont know why it cant find it. Is there anything that could lead to this issue ...
0
votes
3answers
512 views

Proper acting when a process is consuming 100% time of CPU

On several machines I have a problem with a process that is using 100% time of a CPU. USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND root 85740 100.0 0.2 34668 ...
0
votes
3answers
2k views

Debian install netbeans - “No protocol specified”

When trying to run the netbeans shell installer, it gives me an error. ./netbeans-7.0.1-m1-php-linux.sh Configuring the installer... Searching for JVM on the system... Extracting installation data... ...
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votes
0answers
26 views

Dos Attack Server python java [duplicate]

I dont know what is going on on my server. RamNode just adviced me that my VPS appears to e sending out DoS attacks. I restarted the server and did htop and found this: gyazo
2
votes
3answers
3k 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
2answers
1k views

Deploying play! 2.0 application on an apache server with a reverse proxy

I'm trying to deploy my play! 2.0 application on an Ubuntu 11.10 server and I have been running into error after error and hope someone can help me here. I am try to deploy my Play! application using ...
1
vote
3answers
2k views

Extremely slow startup of tomcat

I have a tomcat 7 installation on a Solaris 10 server. My problem is that starting the server (or deploying a new war) is extremely slow. It usually take 30 - 60 minutes. The war application is a ...
8
votes
1answer
367 views

Good practices regarding discontinued software in production (OpenDS)?

How bad is it to use OpenDS, which is not actively maintained, and had the last patch in 2010, and require JDK6(which is also obsolete) in a production environment?(Although at the backend and not ...
7
votes
2answers
7k views

SSL Certificate Error: certificate_unknown

I want to create push notification server and while installing SSL certificate and .p12 file in server we are facing the below error: I want to know what is the wrong with ssl certificate because I am ...
0
votes
2answers
1k views

Java application server behind IIS 7.5 on Windows Server 2008

I have a Java application server (GlassFish, indeed, but the problem is the same for any other application server, I guess), running on port 8080. And I have IIS 7.5 listening on port 80 as by default ...
1
vote
1answer
48 views

In-house java apps work in citrix environment but will not run locally on a users machine

BACKGROUND I am one of three systems administrator for the organization i work at. We previously had a Java developer who is no longer with the organization. The developer built several custom Java ...
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0answers
12 views

JRE version on solaris + Invalid argument when runing JRE java [migrated]

I located the Jre1.6 in my Solaris machine under /tmp in order to use the Jre version pwd /tmp ls -ltr jre1.6 total 512 -r--r--r-- 1 root root 917 Oct 3 2011 Welcome.html ...
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0answers
82 views

json works on localhost but not working on my real server

I have an application that is getting information from my server (online), I have a version of that website in my computer (localhost), The application is working on localhost can get the json, But I ...
2
votes
1answer
332 views

Can I connect multiple SPAN Ports to a hub to monitor both from one NIC

Suppose I had two Cisco switches each outputting some network traffic to a SPAN port, and I needed to send the sum of all that traffic to a third device for monitoring that traffic via libpcap. The ...
1
vote
0answers
11 views

Solr 503 when using boost function

I have three environments which are set up to use Solr: local, staging and production. The local configuration differs slightly to the staging/production however the other two are identical. I ...