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

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116 views

Rundesk cannot execute local command

I'm trying to interact with the nodejs Azure sdk from a CentOS installation of Rundeck. If I try from the "run" adhoc virtual shell, I am able to after running azure account import <mykey> and ...
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1answer
67 views

Imap subfolders not shown in list command - perhaps acls misconfiguration

My goal is to copy the whole folder structure with all mails from one imap account to another. The tool I am using for this is imapcopy (the java based version from code.google.com since the ...
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3answers
260 views

Why are Full GCs not running on my gcInterval I set?

ColdFusion 10 Update 10 Windows Server 2008 R2 Java 1.7.0_21 I am trying to figure Full GCs to run every 10 minutes. I have used the gcInterval JVM arg in the past on earlier versions of ...
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141 views

configuration required for HIVE to be installed on a node

I went through the process of manually installing ambari (not through SSH, because I couldnt get keyless to work) and everything installed OK, except for HIVE and GANGLIA. I got this message: ...
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2answers
169 views

Which libraries are required for Java7 when installing on Debian wheezy?

It is trivial to download and install the Java 7 distribution from Oracle.com. But I am concerned about any dependencies that might be missing on the system. How can I find out which libraries are ...
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1answer
41 views

Add a new tomcat(worker) to a existing cluster made using Apache server and mod_jk without having to restart Apache

I have set up cluster for loading balancing for the two different tomcat that are running on different machines using Apache Server and mod_jk. I have configured workers.properties and everything ...
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1answer
45 views

Tomcat Requested resource not found

I have a webapp, for which i have created a softlink in the webapp folder in tomcat6 directory /var/lib/tomcat6/webapp. Now, i have the webapp stored in /webapp/ when i pointed all my servers and ...
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38 views

set default java version

I have been using Java 6 on Ubuntu 11.10, but now I want to update to version 7. I've installed version 7 via PPA as described here. If I run sudo update-alternatives --config java I get the ...
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0answers
109 views

TOMCAT Disable org.apache.http.wire logging

I need to shut up the org.apache.http.wire logging level because its logging every single HTTP request and it produces Gigabytes of logging, I'm using the default logging of tomcat6 which I think it ...
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0answers
79 views

Quickly Filtering Blocks of IP Addresses

I had to black list some IPs that were coming from Russia from accessing my site. (Malicious bots kept taking my server down.) I created a text file that I loaded into RAM which contains /8, /16, /32, ...
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2answers
79 views

How can I tell what version of Java my programs are running on Debian/Ubuntu?

Want to have something that lists java VMs running on the system and which programs these are hosting. In particular which tomcat is using which java version. IS there any command line tool that I can ...
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1k views

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot without errors?

How to install Oracle Java on Debian Wheezy with make-jpkg and fakeroot? the manual for installing oracle java on debian wheezy is quite clear and understandable: http://wiki.debian.org/JavaPackage ...
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2answers
133 views

Red5 can't find Java

I'm setting up a Red5 server on Cygwin I get this /usr/share/red5$ sh red5.sh Running on CYGWIN_NT-6.1-WOW64 Unable to locate Java. Please set JAVA_HOME environment variable. However, I can also ...
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1answer
82 views

Bind a Java process to a virtual interface

I'm trying to bind a java process to a specific virtual interface having IP address <myIFaddr> as follows: export BIND_ADDR=<myIFaddr> LD_PRELOAD=./bind.so exec java -jar ppp.jar The ...
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0answers
141 views

Zimbra: Out of memory after TNEF message mapping

Here is my information: $ zmcontrol -v Release 7.2.1_GA_2790.RHEL6_64_20120815212147 UNKNOWN_64 FOSS edition. I noticed that the zimbra java process has been using ~150% of CPU lately causing mail ...
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1answer
531 views

centos install java openjdk for jenkins

I have an issue with a VPS, centos, thats running WHM as the container. I need to run open-jdk to get jenkins ci going, but the issue is that oracle's java keeps popping up. From a server restart: ...
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1answer
72 views

wso2 Governance Registry Active Directory integration unable to find valid certification path to requested target

I am attempting to set up a WSO2 Governance Registry server on RHEL5 that will integrate with our Active Directory using ldaps, but normal methods of setting up trust of the domain controllers ssl ...
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0answers
200 views

Remote JMX connections are sent to localhost

I' m trying to set up remote JMX monitoring on a Java process. These are the options I'm giving the JVM to start it: JAVA_OPTS="-server -Xms1G -Xmx1G -XX:MaxPermSize=512m " ...
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22 views

Control Usage Of bandwidth for each site

The scenario is as follow. Let's take an example I have one domain called abc.com.I have purchased this domain.Now I am providing facility to the users to create their sites on this domain.So suppose ...
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1answer
223 views

Minecraft FTB Ultimate server crash (OS Related?) [closed]

(Originally posted this on StackOverflow and was told that it wasn't the correct site to post on - I think ServerFault is the correct site, but tell me if otherwise). (ServerFault didn't like me ...
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2answers
58 views

Kerberos with active directory from linux

I have windows stations and a linux server - and I would like to perform SSO using Windows-Kerberos (via Active Directory - the same one all users on the windows station use). And so - I have ...
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1answer
118 views

Is auto-restarting services (like tomcat) a good idea?

Are there any reasons to not auto-restart tomcat in the case of a crash? It seems like a no-brainer to restart the process, especially in production, if that can mean less downtime due to a crash, but ...
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1answer
174 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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2answers
51 views

Managing security (Java) access in a shared environment

While developing a shared hosting solution for Java applications we have encountered an issue, since users can upload their own jars how do we restrict them from running Linux commands such as df -h ...
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1answer
616 views

Java CertificateException in Domino 9 when trying to access HTTPS URL

When we upgraded our Domino development server from 8.5.3 to 9 the HTTPS connections from Java code to sites having GoDaddy certificate stopped working. Connections to servers having DigiCert ...
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216 views

How can I capture traffic from a Java application using Fiddler?

I am using SolrMeter to load test a Solr search engine. To make sure I understand how the SolrMeter application performs queries, I want to inspect the HTTP requests it executes. I have installed ...
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2answers
171 views

how do I use chef to force ubuntu to install dependencies?

New to chef. I'm trying to install openjdk-6-jre-headless using chef, but first I went to try it out using apt-get and I get this this error The following packages have unmet dependencies: ...
0
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1answer
86 views

setting up environment variables for aws hadoop ec2

I've been following this book: Hadoop in Action It gives a nice guide on how to start using ec2 with hadoop. One of the first things that it says is to download the command line tools here: ...
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0answers
30 views

Looking for guidelines for java updates

Partly related to Updating production Ubuntu boxes the dos and don'ts, but more specific to java updates. We are also based on Ubuntu servers. Wondering how others keep up with java updates which ...
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2answers
93 views

Glassfish admin loading forever

i have downloaded the .sh bundle of Glassfish 3.1.2 on my mac machine and started the server using ./asadmin stat-domainand tried to hit the url http://localhost:4848/ but the page is loading ...
0
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2answers
728 views

jetty.state issue when starting Jetty

I rent a CentOS 6 VPS and wish to install Jetty on it so I can use Solr for a project I've been working on. I've been following this jetty tutorial to install Jetty on my VPS, however when I try to ...
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0answers
40 views

Nat Traversal, peers unable to communicate

I'm currently working on a project that requires NAT traversal but I seem to be running into difficulty. I have the following setup running for testing: R1, Verizon Fios router connected to the ...
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0answers
79 views

java rmi conntrack module for iptables

I was looking on the Internet, but it seems nobody has written iptables conntrack module for Java RMI connections. It would be great, if all connections for JMX monitoring could be matched by --state ...
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0answers
280 views

Qnap NAS TS-419 PII - no space on volume - installing jenkins

I am trying to get a jenkins server running on my nas. I installed java on my qnap TS 419 PII following this blog post: http://minimserver.com/install-qnap.html after this i tried to install ...
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0answers
67 views

create java keystore with certificate request and certificate?

I have two files. labeled as privatekey.pem but opened, it has a header called: certificate request certificate in pkcs#7 format from a CA I want to create new java keystore to provide Tomcat with ...
1
vote
1answer
170 views

Alfresco: NoClassDefFoundError: java/nio/channels/SeekableByteChannel

Installed and ran Alfresco 4.2 with Java 6 on Linux, I get this error: NoClassDefFoundError: java/nio/channels/SeekableByteChannel How to fix this error?
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1answer
1k views

OpenJDK or Oracle Java on production server

I'm little bit confused about which implementation is better to use on production server? Are there any reason why not pick OpenJDK?
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85 views

Tomcat web application consuming most ammont of CPU and stops after some time

I have a dedicated server running CentOS 5.9, Apache-Tomcat 5.5.36. I have written a JAVA web applications which runs every minute to collect the data from multiple sensors. I am using ...
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1answer
122 views

Can't get jmeter-server to work correctly with jdbc:mysql driver

I am running jmeter-server on a remote database host (Centos, sun-java 1.6). I dropped the MySQL java jar in $JMETER_HOME/lib per the install instructions. When I try to run a job on my local system ...
0
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1answer
192 views

Find Java install on CentOS Linux

I have new install of Centos 6.4 x64, it comes with openjdk 1.7.09. Obviously there are exploits/vulnerabilities in that version. The new version is 1.7.17, I try to install install it, and I don't ...
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1answer
67 views

RES keep growing but there is no GC shown via jstat?

We have a java application running on Centos 6.4 what we notice is RES value is cross 400m which is more then the allocated max heap that is 256m. According to jstat results as below there is no GC ...
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2answers
97 views

Java virtual hosting manager

I have a server system on which i want to host java web application's. I can do that only with tomcat and can host multiple application's, but i don't know how can i host multiple application's on ...
0
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1answer
133 views

When the JVM is doing a complete GC, is it expected to see a large number of page fault/sec?

It is Window 2003 server. We are running some performance test, and what we see is: 1. In first 5 hours, the page fault/sec is very small, like 10 or 20 In the last 1 hour, the page fault jumps to ...
0
votes
1answer
258 views

How do I ensure the Context Path is the same when accessing a web app via Apache (proxy pass - port 80) and tomcat (port 8080)?

I have written a web app in Java/J2EE and am deploying it using apache (ec2 micro instance) to forward requests from port 80 to port 8080 (same machine). My httpd.conf looks like the following: ...
0
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1answer
68 views

Java web service works on http but not on https

I have SSL installed on my website. I wrote a java web service and deployed it in public_html/WEB-INF/service folder. Now I can access my service over http (like ...
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1answer
828 views

Running Jenkins standalone vs within Tomcat

What things should be considered when deciding between running Jenkins standalone or within Tomcat? We would prefer to not have to use Tomcat because there's no other applications on this server ...
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0answers
89 views

Upgrading JIRA 5.0.1 to JIRA 6

I am trying to upgrade my jira version from 5.1 to 6 in my test server. with windows(64) platform. So I downloaded jira 6 version with folder name as "atlassian-jira-6.0-m08-standalone". then I ...
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2answers
302 views

SSH unresponsive after stopping Tomcat, many ksoftirqd CPU usage

I have a weird issue. Every time I stop Tomcat, SSH becomes very slow, almost totally unresponsive. It takes a minute or even more for SSH to accept any command. When I finally get Tomcat started ...
2
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0answers
112 views

How to apply tzdata-java update after installing package

Updated the following packages via YUM on the system (CentOS 5 64bit) tzdata-2012j-2.el5 tzdata-java-2012j-2.el5 The system package was applied correctly but the Java does not appear to be working ...
0
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1answer
267 views

logstash trying to connect to redis server on mapped ipv6 address

I've just started playing with logstash, and I'm having a problem getting a log shipper process to send events to a redis server on another host. The output stanza of my logstash config file reads ...