Programming language and runtime environment that allows compiled Java programs to run unchanged on most hardware and software platforms
-4
votes
0answers
15 views
Java cannot be installed [closed]
I try to install JDK and JRE 7u12. When the installation process begin, then is directly closed without any window or message. Into the log info, I found this single trail: "JDK installation finished ...
-1
votes
0answers
19 views
Prevent Java from executing shell commands [closed]
In Java, it appears that shell commands can be executed with the following code:
Process cmdProc = Runtime.getRuntime().exec(command);
How can I prevent this from being used?
0
votes
1answer
20 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:
...
0
votes
0answers
12 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 ...
0
votes
0answers
17 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 "
...
0
votes
0answers
12 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 ...
0
votes
0answers
8 views
Glassfish server running java application lifetime
We're developing with Glassfish 3+ with a Maven project.
However, when we run an application in Netbeans - the application stops to work after a small amount of time.
The application which runs at ...
-3
votes
1answer
43 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 ...
0
votes
2answers
22 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 ...
0
votes
1answer
32 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 ...
0
votes
1answer
22 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 ...
0
votes
2answers
26 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 ...
-1
votes
0answers
31 views
Dashboard KPI Application (java/open source) [closed]
What java/open source frameworks/tools would the community use to build a dashboard KPI website?
Realize this is opened ended but I'm a .net SME. Here are some basic requirements:
Data is coming ...
1
vote
0answers
99 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 ...
0
votes
0answers
21 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 ...
0
votes
2answers
51 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:
...
-3
votes
0answers
42 views
How to setup production server? [closed]
We have developed a java ee application and now we want to host it onproduction server. can anyone guide us what all we should take care while setting up production server in java ee
0
votes
0answers
17 views
Where can I obtain libnet.so's source code? [migrated]
libnet.so is the system library that Java (linux distro) uses for all its native networking calls. I'm trying to debug a complicated networking issue involving a Java app, and need to take a peek at ...
0
votes
1answer
32 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:
...
0
votes
0answers
25 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 ...
0
votes
2answers
58 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
votes
0answers
39 views
Free Job Scheduler [closed]
I'm looking for a (free) application running on a "master" server to schedule on slaves :
File copy (including the jar used to run one of the jobs) from and to these computers to other servers
...
0
votes
2answers
230 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 ...
1
vote
0answers
25 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 ...
0
votes
0answers
16 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 ...
0
votes
0answers
36 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 ...
0
votes
0answers
36 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 ...
0
votes
1answer
21 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?
0
votes
1answer
71 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?
0
votes
0answers
29 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 ...
-2
votes
1answer
30 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
votes
0answers
10 views
How do I customise the formatting of Sun App Server logs?
We're running Sun App Server 9.1. I know it's GlassFish, but I'm not sure which version. The logs are something along the lines of this:
...
0
votes
1answer
115 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 ...
0
votes
0answers
22 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 ...
0
votes
2answers
42 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
votes
1answer
73 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
79 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
votes
1answer
48 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 ...
0
votes
1answer
82 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 ...
0
votes
0answers
59 views
IIS 7.5 ARR : windows authentication - HTTP header principal?
I've IIS 7.5 acting as a proxy to connect to internal JAVA Web server. IIS is performing Windows Authentication and forwarding authenticated requests to the JAVA Web server. That's fine.
Is there ...
1
vote
0answers
33 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 ...
6
votes
2answers
198 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
votes
0answers
58 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
votes
1answer
99 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
...
2
votes
1answer
117 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 ...
2
votes
1answer
60 views
Why would disk reads be heavier than writes with a simple java app that creates many small files?
I've got a very simple java 7 app that reads from a proprietary file format (Hadoop sequencefile) sitting on disk xvdb and creates millions of 2-20kb files on disk xvdf.
ByteBuffer byteBuffer = ...
1
vote
1answer
52 views
Java 7 on a V-Server: “Could not reserve enough space for object heap”
I've just installed Java 7 & Jenkins on a V-Server with 1Gb of RAM
# java -version
Error occurred during initialization of VM
Could not reserve enough space for object heap
Error: Could not ...
0
votes
0answers
53 views
Optimising Ubuntu server for Selenium test on Java Play Framework
Specs:
Ubuntu 12.04 Minimal
Oracle Java6
java -version
java version "1.6.0_43"
Java(TM) SE Runtime Environment (build 1.6.0_43-b01)
Java HotSpot(TM) 64-Bit Server VM (build 20.14-b01, mixed mode)
...
0
votes
0answers
47 views
Elasticsearch and couchdb river indexing slows down after a few hours
Trying to import ~400m docs in to Elasticsearch from couchdb using the couchdb river plugin. Everything starts out great with indexing time around 5k/s but after a few hours come back and find its ...
0
votes
2answers
238 views
Connection Refused Error Java/Linux
I'm trying to move an existing project over to a new (linux) server environment (note, I have no direct access to the code nor do I have any knowledge about the project in general - talk about a great ...
