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

learn more… | top users | synonyms

0
votes
0answers
60 views

Openmeetings: Don't create rooms for each user

Openmeetings creates 2 rooms for each registered user once they are logged in. I want people to be able to register but only use rooms that I create for their usergroup. Basically they should only be ...
2
votes
0answers
363 views

Testing NTLM\kerberos against a public url

I am creating a java open source package that makes it easy to connect with httpclient 3.1 to resources that are protected by ntlm v1/v2 and kerberos. I need to test this tool against real world ...
-1
votes
1answer
287 views

Solr process gets killed immediately after starting

I just downloaded solr 4.8.0 from the apache website to my ubuntu 12.04, 64 Bit, 3GB ram VPS server and extracted it. Then I installed the openjdk-7-jre using this command: sudo apt-get install ...
0
votes
1answer
401 views

Alfresco installation - 4.2f “Could not find or load main class”

I've got a server that was running 4.2e. I heard about the 4.2f update, so I installed that (alongside, per the upgrade/validation instructions), but it fails to start at all. catalina configtest ...
0
votes
2answers
1k views

MySQL database really slow with a really big table [closed]

I have a MySQL table with 150 million rows. Below is its data structure. Below is some of its data. Now, using PHP My Admin I ran the below command. SELECT `iwords` FROM `wordstable` WHERE ...
0
votes
1answer
493 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 ...
0
votes
1answer
58 views

on my windows 2008 machine rt.jar is deleted from jre\lib folder after reboot

I am observing a strange behavior on my Windows machines. I have a Server application(jboss 6.1.0) that uses Java JRE 1.6u29. Machine reboot is causing the rt.jar file within the JRE to be deleted. ...
2
votes
0answers
360 views

Maven - resolving “java.security.cert.CertPathValidatorException: Path does not chain with any of the trust anchors”

I am attempting to build/install this project on an Ubuntu 12.04 box: https://bitbucket.org/petermr/pdf2svg However: mvn clean install Fails to build due to getting errors like this: ...
0
votes
0answers
476 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 ...
-2
votes
1answer
414 views

Get instance-id of EC2 instance via Java [closed]

I have an AWS EC2 instance deployed as a server, and I need to find out its public IP. Howver, to know that I must first know the instance-id of my instance. Objective: I have a Java code running ...
0
votes
1answer
296 views

Will tcnative-1.dll version 1.1.30 work with tomcat 7.0.29 without any issues?

In order to fix the Heartbleed vulnerability a new release of the tomcat java native libraries is being created. Will this release work with older versions of Tomcat 7 such as 7.0.29, or will this ...
0
votes
0answers
107 views

Preferred “Chef/Berkshelf/Vagrant” Way to Change Java Versions

On a Linux box, what's the preferred, best-practice way of switching Java versions? For example - let's say that I want to build & test out my app on Java 7, and then Java 6. Here's a few ...
1
vote
0answers
184 views

Amazon ec2 - Error occurred during initialization of VM Could not reserve enough space for object heap

I don't have any experience of working with servers, so please explain your answer in detail or provide a link to support your answer. I want to restart server and executing command for that gives ...
0
votes
0answers
52 views

can't verify google app engine backend site using google webmaster tools

How can I verify my google app engine backend site using the google webmaster tools? I tried the step to download the given html file and open it using my backend site, but when I click verify it ...
1
vote
2answers
1k views

Non-heap memory leak JVM

I have a glassfish v4.0 set up on Ubuntu server running on oracle java virtual machine and jvm process resident memory size (got via "top" command) grows up until jvm doesnt have memory to create new ...
1
vote
0answers
222 views

Oracle's JDK RPM doesn't provide “java”

I have the Oracle RPM for the Java 7 JDK installed on an Amazon EC2 instance. The Oracle RPMs for Java 7 JDK don't "provide" java nor jre. RPM reports that it provides the following: # rpm -q jdk ...
0
votes
0answers
344 views

How to enable kerberos authentication to a Java web app

I'm currently using Centrify to aid with Kerberos/AD integration in our environment. Right now we have Kerberos enabled on a Centrified version of Apache. We are trying to run jnlp files through ...
1
vote
3answers
4k views

How can I install WildFly 8.0.0.Final as service on Ubuntu Linux?

I am trying to install the WildFly 8.0.0.Final application server on a Virtual Machine running Ubuntu 12.04 LTS. I've done some searches on Google, but I found only third-party scripts and, I think, ...
3
votes
1answer
192 views

SNMP query - operation not permitted

I am working on API that reads a lot of data via SNMP (routes, interfaces, QoS policies, etc...). Lately, I have experienced a random error stating: Operation not permitted Now, I use SNMP4J as ...
0
votes
1answer
87 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 ...
0
votes
1answer
764 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
3answers
8k views

The CATALINA_HOME environment variable is not defined correctly This environment variable is needed to run this program"

I have installed JDK 7 and tomcat 7 and set the following environment variables: PATH: ......C:\Progra~1\Java\jdk1.7.0_51;F:\apache-tomcat-7.0.52-windows-x86\apache-tomcat-7.0.52\bin; CATALINA_HOME: ...
0
votes
0answers
133 views

How vulnerabilities in the Java affects application running in Tomcat/JBoss

I wonder what impact has Java vulnerabilities on application in Tomcat. For example Java 1.6u45 has many reported security bugs (Remote Security Vulnerability). You can easily exploit it on client ...
0
votes
1answer
391 views

Java and /etc/resolv.conf DNS server failover

Executive Summary Does Java query the next resolv.conf name server entry if the first one fails or times out? What is the default timeout at which Java will consider a resolver "down"? Details In ...
1
vote
1answer
2k views

Java Deployment Ruleset.xml Not Working

An recent upgrade of our time card system forced us to upgrade all our workstations to Java 7u51 (we were on 6u45). We have another Java-based application which is critical to our business that is now ...
1
vote
0answers
316 views

Monitoring Informatica Java processes with JConsole on Windows Server 2008

I am having an issue getting JConsole to connect to my Java processes. Let's start with the basics... Java Version As you can tell from the path below, we are running Informatica with packaged Java. ...
-2
votes
1answer
408 views

Elasticsearch throws Could not reserve enough space for object heap

It seems that Elasticsearch stops working this morning. When i launch : sudo service elasticsearch start, it says : Starting ElasticSearch Server Done But when i check the status, it gives me : ...
0
votes
1answer
274 views

Elasticsearch stops working suddenly

I have deployed Elasticsearch on a development ubunto VPS. We use that VPS only to host Api for mobile apps. Everything worked good till today, elasticsearch stops working. I tried to restart it, it ...
1
vote
1answer
2k views

Workaround needed to run FileMaker Server 12 Admin Console with the new Java security model

As of Java 7 update 51 (7u51), there is a requirement for a new Permissions attribute (introduced in 7u25) that prevents the FileMaker Server 12 Admin Console from running. This also affects the ...
4
votes
2answers
6k views

your security settings have blocked a self-signed application from running

I'm trying to use Integrated Lights-Out 2 (aka iLO)'s Virtual Media (which is Java based applet) and I'm getting following error(s): Application Blocked by Security Settings Your security settings ...
0
votes
1answer
45 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 ...
0
votes
0answers
76 views

MySQL Cluster client says ndbclient not loaded

I'm trying to create a JPA Client for a MySQL Cluster 7.3. (MySQL 5.6). I'm building the jpa client on OS-X and have copied the libndbclient.so.6.0.0 and libndbclient_static.a from the Cluster SQL ...
0
votes
0answers
41 views

Problems creating a JPA Client

I'm trying to create and run a Java client using Cluster JPA. I've set up a simple 4 node cluster with: 1 sql node 2 data nodes 1 management node I've created a maven based java ...
0
votes
1answer
101 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 ...
1
vote
0answers
70 views

Trying to deploy Confluence on Glassfish 4

So I'm trying to deploy Confluence as a WAR on Glassfish 4 (Using Oracle JDK 7). The WAR deploys just fine except I get the following errors when trying to load the page in my browser: Could not load ...
0
votes
2answers
329 views

Jetty Server High CPU Load

Sometimes jetty loads our server for 100% - every thread for 100% of 1 core. We have jetty 9 and JDK 1.7 (at Jetty 6 and JDK 1.7 - this doesn't appears). Jetty now running on default settings, ...
0
votes
1answer
284 views

setting kerberos ktpass ktab all that JAAS

I have a couple of questions on Kerberos on Windows. I want to find out what the purpose of mapping a user to a service using ktpass is. For example I am on windows and I run ktpass like this: ...
0
votes
0answers
61 views

Azure web role runnig Java returns 500

I am new to Java/Apache tomcat I needed to build a web service in azure cloud services, using java. The web service is running on apache tomcat 7, jdk 1.7 and communicating a mongo-db that is running ...
0
votes
1answer
138 views

Monitor Tomcat-JDBC connections

The company that I work for sells a java web application that runs in Tomcat. The primary problems we have are that the tomcat containers become unresponsive and need to be restarted and that the ...
0
votes
0answers
94 views

Java causing kernel panic

I'm running quite a lot of computations on Ubuntu 12.04 (3.8.0-35-generic), application is written in Java (Oracle 1.7.0_45-b18) on a server which has 12 AMD cores. Typically the computations uses 10 ...
2
votes
1answer
47 views

Solaris SMF Detect Java PermGen?

Is there a way to detect a Java process is out of memory (e.g. PermGen space) and restart it with an SMF contract?
9
votes
2answers
914 views

How do you get the latest update for Java 6?

An application my company is considering buying requires Java 6. I am concerned that this is quite out of date and am recommending against the application as a result. But it seems that Oracle do ...
0
votes
2answers
212 views

Installing a minimal java on Ubuntu VM

I don't have java installed on a Ubuntu virtual machine (just server, no X11): bash: java: command not found I want to install a minimal version to run some scripts. When I issue: sudo apt-get ...
0
votes
1answer
30 views

Tomcat 7.0.42 Manager Weird behavior

Good morning folks! I'm playing with my brand new tomcat installation today, and everything run pretty smoothly except that I got a weird reaction using the manager with virtualhosts. The problem ...
0
votes
1answer
161 views

Connection to Amazon AWS highly unreliable [closed]

I have a Java application that connects to MySQL on an Amazon EC2 (USA east region) instance with JDBC (using official latest Oracle drivers, location specified by IP). It also connects to S3 using ...
0
votes
0answers
25 views

See output - feed input into java program from ssh

I am running a java program on centos 6. That program is always checking for input (acting as a console). It is automatically started from a bash script on system startup. If I login from a ssh ...
0
votes
1answer
91 views

How to increase heap size for particular WAR on WAS?

I have a WAS where a particular WAR file is deployed. This WAR file runs okay most of the time, however at times it would run to Java OOM issue. I'd like to know if there is any control to increase ...
0
votes
0answers
93 views

Apache, FCGI, and Java setup

I have a Java program that I'm trying to access through my Apache 2.4.7 webserver locally. At first I had it set up as a reverse proxy using mod_proxy_fcgi whereby I would have to start the webserver ...
1
vote
1answer
254 views

Load Balancer on Amazon does not have secure flag set for Cookie

We have a java based application running on Amazon and have configured our Amazon ELB to connect to them successfully. However, we are seeing that the Cookie flag not set as Secure. Name Value ...
0
votes
0answers
224 views

My Bitnami Tomcat Stack (on EC2 AWS) is generating DoS attack

I have a very small java web app that is deployed on a Bitnami Tomcat Stack on AWS. We are using this app in the company with only 5-10 user base daily, and generating only below 100MB of traffic per ...