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

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65 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 ...
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2answers
245 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, ...
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1answer
200 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: ...
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0answers
43 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 ...
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1answer
99 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 ...
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0answers
63 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 ...
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1answer
44 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
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2answers
756 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 I am concerned that this is quite out of date and am recommending against the application as a result.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 ...
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2answers
155 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 ...
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1answer
24 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 ...
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1answer
149 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 ...
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0answers
20 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 ...
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1answer
78 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 ...
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0answers
82 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
172 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 ...
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0answers
204 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 ...
1
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2answers
174 views

Load Balancing MongoDB

I have an application written in java with tomcat that I am ready to start scaling for production. As I understand it, i shouldn't use a load balancer with mongodb router instances as it can cause ...
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2answers
381 views

Java process restarting prematurely under runit

I'm attempting to run Logstash under supervision with runit. My run script for Logstash is simply #!/bin/sh SSL_CERT_DIR=/etc/ssl/certs exec /usr/bin/java -jar /usr/local/bin/logstash.jar agent -f ...
2
votes
2answers
795 views

Block bots by their Java referrer or User-Agent string?

I have been getting a lot of web hits in my logs that crawl most top level pages of my site and show a referrer as a Java version. I see different variants of the Java versions in the referrer, i.e. ...
0
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0answers
144 views

Background process and read from /dev/pts/X

I tested it on Ubuntu 12.04. First, I run java process from user1 in background and close terminal. Then I open a new terminal (from user1) run special script that sends current tty name (/dev/pts/2) ...
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1answer
331 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 ...
0
votes
1answer
143 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 ...
0
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0answers
52 views

Java security blocking java

On friday i rolled out an update to java on my citrix farm, we are having an issue with the new security settings on java If anyone goes on a mapping website it shows that security is blocking java, ...
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1answer
59 views

RHEL 6.4 Kicking off all Terminal Connections

I have a RHEL 6.4 server with 64GB of ram running a java app that loads 60+ war files into tomcat. For some reason, every time it loads every user gets kicked off. This includes a directly connected ...
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0answers
16 views

Calling FastGCI from java standalone app

I am looking at some way to call FastGCI services from Java. Existing codebase in C/ProC has to be called from java to limit rewriting cost. I though adapting the codebase to the FastCGI loop could be ...
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1answer
76 views

Weblogic server as Windows Service

I have problem while installing weblogic server as windows service , After creating installation script and service created when I'm trying to start the service I got this message : The service on ...
2
votes
1answer
124 views

%HOSTNAME% value is “unknown” in rsyslog template

The Gist Where does rsyslog get the value of %HOSTNAME% and under what conditions would "unknown" be the expected value? We're using rsyslog on an EC2 instance and we're trying to send our ...
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1answer
80 views

Change java version for tomcat on centOS

I need to run tomcat6 with Java 8 and keep Java 6 as the default JRE on CentOS. I have succeeded on unpacking a tar version of tomcat6 on centOS and doing so, but when I use the yum package, for ...
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1answer
192 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 ...
0
votes
1answer
128 views

Why does Bamboo + msbuild + DeployOnBuild create corrupt zip files?

I apologize if this is in the wrong place. I am a stackoverflow guy, but i need some server help. Since my problem seems confined to one of our build agent servers, i think its a server issue. I am ...
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votes
1answer
487 views

Running java application fails with “Unsupported major.minor version” [closed]

I want to install a java in my linux centos 64bit when I run it it gave me an error what should I install in my server I have java 1.6 java -jar licence.jar Exception in thread "main" ...
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0answers
469 views

Solr 4.6.0 Logging issue on CentOS

I'm using solr 4.6.0 on CentOS 6.5 and installed it after this tutorial. http://andres.jaimes.net/878/setup-lucene-solr-centos-tomcat/ I started it and I have the problem that it loads forever in ...
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0answers
373 views

Preventing Linux Kernel from killing a Java process prematurely

Running Ubuntu 12.04.3 LTS with 32 cores 244GB. Its the Amazon EC2 memory instance the big one and Java 1.7u25 My java process is running with -Xmx226g I'm trying to create a really large local ...
0
votes
1answer
452 views

nginx is running but not serving?

I've been trying to set up nginx as a proxy to jetty. I have one laptop running ubuntu server. Now I made jetty working at localhost:8080 and it serves the home page for the app at ...
2
votes
0answers
181 views

RSS feed/email list to be notified about java updates

I'm doing upgrades of JDK on our servers regularly. But because Oracle JDK installed via custom packages (not via package manager) I need way to be notified about updates. Are there way to be ...
0
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0answers
113 views

java applet frozen on the browser of remote desktop clients

Application access topology: One Window 7 Pro 32 Bit machine acting as a java applet server and remote desktop server; two remote desktop clients accessing server; one standard 10/100 switch ...
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0answers
41 views

Jetty interpreting multiple JAVA_OPTIONS as one system property

I am trying to launch Jetty and specify multiple system properties for my app on the command line. Here is how I am launching it: sudo -E bash -c 'export ...
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0answers
42 views

top output seems fine, yet server is overloaded

This server I am benchmarking gives no obvious signs of getting overloaded at a first glance. top output: top - 22:48:25 up 5 days, 3:41, 3 users, load average: 3.19, 3.34, 3.25 Tasks: 146 total, ...
1
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1answer
73 views

Searching in a compressed(.gz) file using java

We have large files where in we need to do pattern searches. Looks like when we use GZIPInputStream it uncompress the file in memory and then i need to do search on it. In memory one uncompressed file ...
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0answers
92 views

Cannot access OSGI service provided in Rifidi Edge Server (RFID Middleware)

I have installed Rifidi edge server (open source RFID middleware provide services as osgi bundles) on windows7 and I am trying to develop a java application to connect and read data from edge server. ...
0
votes
2answers
770 views

Granting access to Java Logger with java.policy file not working in Domino 9.0.1

After I upgraded our 32bit dedicated Windows 2003 server from 9.0 to 9.0.1 this part in java.policy file stopped working: permission java.util.logging.LoggingPermission "control"; which means I'm ...
0
votes
1answer
261 views

After Mavericks upgrade problems with PHPStorm [closed]

I upgraded to Mac OS Mavericks and since then my PHPStorm caused problems. During typing inside the editor the CPU goes up to 400% and the typing lags. I didn't know what to do or what the reason is. ...
1
vote
1answer
81 views

Windows service - java fails, service process doesn't, no one knows there's a failure

We have a web proxy running as a service. It's a straight-up EXE, within it is a packaged java application. Sometimes, we get this in the log file the application generates, and the proxy stops ...
0
votes
2answers
84 views

The page isn't redirecting properly

I have deploy my web app to EC2(AWS) instance. Firewall, tomcat configuration etc are OK. When i try acess to it via browser i see such error. enter link description here I see this in all browsers. ...
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votes
0answers
26 views

How to configure SMTP to recognize a group

I'm using a windows server. I installed IIS SMPT server and using it. I have no problem when I send a mail to individual id. But I get an error when trying to send to a group. InternetAddress ...
0
votes
1answer
74 views

JVM dying with no error, no OOM in kern.log

My JVM sometimes, but not always, dies on startup with no error in any application or system log file. There is nothing in /var/log/kern.log, nothing relevant in dmesg. The thing is, even when I use ...
0
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1answer
68 views

Websphere shutdown not releasing database locks

Sometimes when shutting down Websphere there are database locks not released. As a result, when WAS is restarted nobody can work because of these locks, that must be removed manually by the DBA. It's ...
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0answers
64 views

IIS blocking out 2 way SSL cert to Weblogic

We have a IIS server accepting requests on a public IP. IIS forwards the requests over to a Weblogic server. However when we have a client who is passing the cert (to make 2 way SSL work), IIS seems ...
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0answers
61 views

Java daemon: “…not allowed access to the window system right now.” on boot

I have a daemon (/Library/LaunchDaemons/...) configured to launch on boot. However, I get the following error: Nov 17 20:36:24 server.local java[28972]: This user is not allowed access to the window ...
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2answers
1k views

302/301 and 404 redirect issue for apache redirection for tomcat

I'm using Apache HTTPD in front of Apache Tomcat with the following virtual host: $ cat /etc/apache2/sites-enabled/onlinetaskboarddotcom <VirtualHost *:80> ServerAdmin comented@out.com ...