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

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371 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 ...
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878 views

Jetty JMX setup for remote access

I am having some issues getting JMX working on Jetty(9.1.3.v20140225), so I have had a read over the Jetty doco on this. So I have added the following to the jetty.conf # ...
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395 views

Solr: Using multiple SQL server data sources results in error: “…\sqljdbc_auth.dll already loaded in another classloader”

I have one Solr instance running in Jetty with JRE 8 with 3 collections (same as cores, yes?) and more to come. I am indexing data from SQL Server, connecting using NTLM as the identity of the Java ...
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630 views

Remote jmeter-server error while getting the results back after some time

I have a question, I'm using jmeter from my pc that drives a jmeter-server that is installed on a RHEL5.8 my version of java is : [jmeter@sem-osb logs]$ cat /etc/redhat-release Red Hat Enterprise ...
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457 views

Local Proxy tool which authenticates against NTLM, sits on top of the Java VM and possibly transparently passes through HTTPS requests

I'm looking for a local HTTP proxy which I can run locally on my machine. This proxy accepts HTTP and HTTPS request and passes them upstream on to an external corporate proxy. The local proxy needs to ...
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147 views

Install Java 1.7 non-interatively on Ubuntu 12.04

I need to install Java 1.7 on several machines and hence I want to do it using a script. The problem is the installation asks for certain options (to be specific 'Y', then 'OK' and finally 'Yes'). I ...
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919 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 ...
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57 views

MySQL Cluster with no access to Data Nodes

I'd like to set up a MySQL Cluster for HA, but the client of the data cannot yet use ClusterJ. I would like create 2 SQL Nodes and access only them from the client. i.e. No access to the NDB Data ...
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146 views

Postfix-processing incoming email based on subject and saving the email details in db and flag/tag the email in “courierimapkeywords/:list”

can we processing incoming email based on subject and save those matching email details in db and flag/tag the email in courierimapkeywords/:list for the keyword to be used in IMAP client. We need ...
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515 views

Cannot start cassandra: numactl: execution in CentOS 6

I trying to install Datastax Apache Cassandra with OpenJDK # java -version java version "1.7.0_51" OpenJDK Runtime Environment (rhel-2.4.4.1.el6_5-x86_64 u51-b02) OpenJDK 64-Bit Server VM (build ...
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224 views

Tomcat - JDBC Data Access Exception

My company has a web application that allows users as part of their business process to upload large documents (10+ MBs) into the application. For fast connections it works great with the document ...
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37 views

Logging not getting disabled

Out Tomcat 8 is logging so much so that by the evening the catalina.out inflates to GBs of data. I followed the procedure given on the tomcat website to replace JULI logging with LOG4J. Now LOG4J has ...
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284 views

change java process name

I am trying to change a java process name using the start-stop-daemon. When running the process without the daemon I simply add to the script: "exec -a kuku" And the java process name in the proc file ...
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354 views

How to create new Servlet and JSP project on Ubuntu?

I've installed Tomcat 7, javaservlet 3.0 and openjdk 7. I read that I need to install Eclipse and Web Tool platform (from eclipse) but I can't find it. I install few packages from eclipse there is no ...
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131 views

can network Redundancy possible with help of Layer 2 switches & dual NIC in one PC & program in java?

I am Trying to achieve Network Redundancy in network which have 1 server & lots of node which use 1 switch for each. As per various forums for achieve Redundancy in network i should use Layer 3 ...
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162 views

Monitoring performance metrics from Xen (xend) with Java

I need to write a Java application that is collecting and monitoring (remotely and local) performance informations and metrics from a Xen hypervisor. This Java application should fetch the same ...
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27 views

Block access to specific URL

I have several java war applications hosted in a glassfish, some of then exposing web services. I need a way to block access to an specific application without blocking the entire access to server by ...
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274 views

Apache2 and tomcat 7 on ubuntu server running error

I install apache 2.2.22 and tomcat 7 on ubuntu and deploy ROOT.war In catalina.log file I get this error: Failed to initialize end point associated with ProtocolHandler ["http-bio-80"] ...
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390 views

Error installing Oracle-Java6

I'm attempting to install Oracle-Java6 on my VPS, running ubuntu-10.04 for the purpose of running Openmeetings. I installed the ppa webupd8team/java, updated and ran sudo apt-get install ...
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1answer
61 views

Tomcat 6 path issue on Linux Debian

I'm facing an anoying issue on Linux/Debian Tomcat configuration: I've set up path variables, but when I try to start or shutdown Tomcat nothing happens. Log is empty and the following appears: ...
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31 views

Discrepancy in java Garabage Collection between jconsole and log files

I'm having an odd problem: my garbage collection log file (as defined by -Xloggc) will show n number of garbage collections have taken place, but jconsole will show n+6 garbage collections have taken ...
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113 views

How to set multiple paths with update-alternatives

For example, the following command install java to /usr/bin/java update-alternatives --install /usr/bin/java java /opt/java7/bin/java 1 && update-alternatives --set java /opt/java7/bin/java ...
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177 views

Tomcat 7.0.42 crashes many times a day

I have a Tomcat7 server running and it crashes and shows sometimes a memory warning that there is not enough Heap Space. What do I have to do here? My server has 4GB RAM, 4CPU and runs on ubuntu ...
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494 views

-XX:MaxNewSize and other JVM parameter setting in AIX

All, I am trying to adjust our application's memory settings: JVM and Heap adjustments. I also came across -XX:MaxNewSize parameter. Our application runs on a AIX machine which has ample RAM (100+ ...
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358 views

java.lang.OutOfMemoryError: GC overhead limit exceeded TeamCity 7.0

I am getting this error suddenly. Running teamcity 7.0 on a Windows Server 2008. How do I add more memory via passing options to the JVM? I don't understand how to pass the xmx option when using ...
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54 views

Filter ip traffic based on certain packet bits

I want to capture ip traffic at a linux machine based on the following bpf filter: ether[45]=0x11 and ether[68]=0x34 Incoming traffic is around 20Gbps and the filter discards 95% of the traffic. As ...
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92 views

Java group policy install succeeds but not fully installing

I am attempting to deploy java over group policy and am running into a few issues. Sometimes when the msi installs, the installer reports that it succeeded in the event viewer, but when I go to the ...
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869 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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449 views

Apache Tomcat getting restarted

We're running tomcat 6.0.35 on a Windows 2008 Server. It runs out of memory every few days. We noticed in the logs that the server is getting reinitialized randomly. We see this in the tomcat log. ...
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1answer
90 views

Download all JAVA updates per version

Gentlemen, I need to download all updates of a specific version of Java Runtime Environment (ie, I need to download, jre6u1, jre6u2.....jre6u37, etc), I order to test different versions on a ...
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103 views

Can the JVM(Oracle) run into an OutOfMemory error if the heap size is below the max?

I am running a Tomcat site(with an NGinx front end) that seems to be randomly running out of memory even though the max heap size is pretty large. My question is is it possible for the JVM to get an ...
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575 views

Netbeans automatically changes the file owner when updating files

We use Netbeans IDE 7.2 to edit our PHP files. In the Run Configuration it is configured as Remote Web Site to automatically save the changes on our web server (Centos OS 6.3). The problem is that ...
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1answer
31 views

Downgrading CP version (Cumulative Patch) on some of the nodes of a jboss 4.3.0 installation

My scenario is a jboss 4.3.0 installation with several nodes. Some of the nodes are on CP08, and some are in - say - CP05. Upgrading from CP05 to CP08 is a no-brainer using "jboss ON", according to ...
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1answer
546 views

Network connection failed in Red 5 server

I am new to red5 server. When I try to run Red5 by creating a project in Eclipse using the Red5 plugin it runs with an error: [INFO] [NioProcessor-2] org.red5.server.net.rtmp.RTMPHandler - ...
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1answer
545 views

Exception thrown when trying to access a web service (Weblogic) - java.lang.LinkageError

I've installed Adobe LiveCycle for Weblogic 10.3.4, and when I try to access one of the web services it deployed, I'm getting the following exception: Exception - java.lang.LinkageError: loader ...
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1answer
196 views

Restrict Client Certificate except for some pages in ASP.NET / IIS 7 or Jsp / Apache / Tomcat

In IIS you can force client certificate request mais can it exclude some pages ? How is it by coding (sample code somewhere ?) or by configuration ? Same question for Apache / Java
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590 views

Cannot connect via remote JMX

I tried to enable JMX remoting on a Java app running on a server by adding the JVM args -Dcom.sun.management.jmxremote -Dcom.sun.management.jmxremote.port=9001 ...
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1answer
297 views

Writing a Script to Delete JMS Queus in Websphere

suppose I have the following JMS queues "doc/queue1","home/queue2" and "someOtherQueue" added in a websphere process server, how can I write a script to delete them? looking around the web i haven't ...
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1answer
231 views

Birt on Tomcat unable to find JARs

First, my setup: BiRT Runtime: 3.7.2. Ubuntu 10.04 Tomcat 6 Sun Java 1.6.0 I have a jar file I want to deploy onto the Tomcat server so it is usable by the runtime, so I placed the jar file in ...
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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: ...
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1answer
235 views

What outbound ports does Nexus Repository Manager use to download Maven artifacts from other repos?

I'm loading up Nexus on a VM with all outbound ports locked down. I need to know what outbound ports Nexus uses to do whatever it does in all scenarios. Let's assume the repositories it connects to ...
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1answer
196 views

customizable web email client backend

I have a comprehensive internal web site for my company, which handles a lot of crm functions as well as other customized functions. I am trying to integrate all needed aspects into this, and am ...
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1answer
370 views

Rpm repo for java on centos 6

Is there any other repo from jpackage available for centos 6? I don't like to build tomcat, maven from sources. many thanks.
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1answer
210 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 ...
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1answer
412 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 ...
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1answer
54 views

Switching glassfish 2.x to 3.1.1

So I am managing a old java project that is using glassfish 2.x. Seems like netbeans does not support 2.x versions any more, so I want to change it to 3.1.1. How to properly make that change? I have ...
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1answer
274 views

Problems encoding an HTA file to run Java+Batch files for DNS server

I'm having a problem coding a .HTA file, and I really need some help. I've been searching all over the place and I can't seem to find what I need to add to this code to make it run. I'm trying to get ...
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1answer
658 views

How to access shared hosting database with Java desktop application

I am new to this forum and I was looking for a solution for one of my questions. I have developed a Java desktop application. I have a database in a shared php hosting server. Is there any possible ...
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1answer
862 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 ...
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1answer
305 views

Tomcat 6, unable to login via /manager/status page despite the username / password being in tomcat-users.xml file?

I need to be able to remotely login to my Tomcat 6 server to setup an application that monitors it and have been instructed to first use the Tomcat http:///manager/status page to try to login with a ...