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

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0answers
5 views

Garbage Collection and Memory Visualizer (GCMV) Doesn't Always Generate A Report

I'm using GCMV within ISA 4.1 to analyze some gc logs from a cluster. When I open a native_stderr.log file in that tool, it always creates the following 4 reports/tabs: Table data Line plot ...
1
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0answers
25 views

elasticsearch glibc memory corruption

My elastic search clusters keep crashing for no reason. All I can see in the logs is : INFO | jvm 4 | 2015/04/17 19:10:09 | *** glibc detected *** /usr/java/jre1.7.0_04/bin/java: malloc(): ...
0
votes
2answers
17 views

How can I install multiple Atlassian applications in a single server?

Ok, this is a two-part question. I got an unmanaged VPS with CentOS from a hosting company in order to install several Atlassian tools, however, I ran into the problem that when starting a second ...
-1
votes
0answers
6 views

error in tomcat missing “php-cgi”

i tried to install(windows) javabridge to connect java and php.Its giving me an error saying php-cgi missing Here is what i did. What am i missing here? 1) Copied javabridge.jar , php-servlet.jar and ...
-2
votes
0answers
22 views

Ubuntu or Debian for a server? [on hold]

Can someone provide a good answer including some tech differences, some pros and cons for each distribution? I want to make the right choice and choose the right distro for my needs (running a cluster ...
0
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0answers
22 views

How to fix hung requests creating dead lock(/root/syn)?

We are running a search service using written in Java using solr We are noticing dead locks on the service. 14:00:30,465 WARN ThreadPoolAsynchronousRunner:416 - Task ...
0
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0answers
6 views

Glassfish4: Should I run multiple applications in one domain?

I have 5 different Java EE 7 applications (WAR files) that communicate to each other via a REST interface. In production, is it "better" to deploy them all in one Glassfish4 domain, or to create a ...
2
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0answers
45 views

Unable to change vm.max_map_count for elasticsearch

Prehistory I have elasticsearch and SugarCRM7 running on CentOS 6.5. Every day I face the same problem: java outOfMemory error. That happens because of small vm.max_map_count value, 65530 only when ...
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0answers
16 views

Memory Leak in Solr cloud 4.8.1 and Lucene

I have a solr cloud instance version 4.8.1 with 8 nodes, 4 shards and facing memory leak on the JVMs here are the details of the instance. 8 nodes, 4 shards(2 nodes per shard) runs on Tomcat ...
1
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0answers
33 views

How to increase heap size for ws_ant.sh when deploying on WebSphere 8.5 (64-bit Linux)

TL;DR -- How do I give ws_ant.sh and/or the <wsInstallApp> task more heap at runtime? I am attempting to deploy a relatively large (~160-MB) EAR file to WebSphere 8.5 running on a 64-bit Linux ...
-1
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0answers
28 views

How to force a yum update without all the dependencies [on hold]

Scenario: I removed java off all our machines and put it in a shared location and then reference it using via symbolic links /etc/alternatives it works great. However, when I try to do a yum update, ...
0
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1answer
50 views

Tomcat CPU and GC going crazy [closed]

Having some major issues with our Tomcat 7 installation. It used to run fine for over a year, but now the CPU is mainly at 400% - 700% (8 core machine) and in the logs I see tones of these: ...
-2
votes
0answers
26 views

Dos Attack Server python java [duplicate]

I dont know what is going on on my server. RamNode just adviced me that my VPS appears to e sending out DoS attacks. I restarted the server and did htop and found this: gyazo
1
vote
1answer
48 views

In-house java apps work in citrix environment but will not run locally on a users machine

BACKGROUND I am one of three systems administrator for the organization i work at. We previously had a Java developer who is no longer with the organization. The developer built several custom Java ...
0
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0answers
12 views

JRE version on solaris + Invalid argument when runing JRE java [migrated]

I located the Jre1.6 in my Solaris machine under /tmp in order to use the Jre version pwd /tmp ls -ltr jre1.6 total 512 -r--r--r-- 1 root root 917 Oct 3 2011 Welcome.html ...
0
votes
1answer
46 views

HttpServletRequest.getRemoteAddr() always returns 127.0.0.1

We're attempting to identify where specific requests are coming from inside our Java application. We have changed the log files to include the IP address and we're using ...
1
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0answers
11 views

Solr 503 when using boost function

I have three environments which are set up to use Solr: local, staging and production. The local configuration differs slightly to the staging/production however the other two are identical. I ...
0
votes
0answers
42 views

OpenShift, change java security properties

The latest WildFly OpenShift image includes Java 8u31. But my apps needs the disabled sslv3 'algorithm'. So I need to edit the java.security file from the JRE but this file is read-only. How can ...
0
votes
0answers
82 views

json works on localhost but not working on my real server

I have an application that is getting information from my server (online), I have a version of that website in my computer (localhost), The application is working on localhost can get the json, But I ...
0
votes
0answers
27 views

CORBA lookup fails with NameNotFoundException

The CORBA lookup works fine from localhost: thufir@doge:~$ thufir@doge:~$ appclient -client NetBeansProjects/corba/GreeterCorbaClient/dist/GreeterCorbaClient.jar {org.omg.CORBA.ORBInitialPort=3700, ...
0
votes
2answers
44 views

java installed but not working (dependency issue??)

I just installed Java 8 on my new VPS I set the links correctly but, still java, or javac won`t work: root@vpsXXXXX:~# update-alternatives --display java java - Auto-Modus Link verweist zur Zeit ...
0
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0answers
22 views

Apache 2.4 switching sessions from primary to backup in between even when sticky session is enabled

I am facing issue with long running requests . We have a case of file upload in which file upload process starts and at front end we represnt the user with a progress bar to show the percentage of ...
0
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0answers
38 views

how do I configure a glassfish host and broker to use JMS?

In trying to run a JMS Message producer remotely, I'm going through the fine manual: Administering the Java Message Service (JMS) GlassFish Server Open Source Edition Administration Guide Release 4.0 ...
0
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0answers
50 views

Tomcat client certificate authentication, client certificate not sent

I've add client certificate based authentication on our Tomcat servers. Both client and server are tomcat servers with internal CA issued certificates. Each tomcat has its own keystore (PKCS12) ...
0
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0answers
31 views

tomcat https static content

We are using tomcat to serve everything over http. BUT, we have a login page which is served over https since we have them enter a password. Recently, chrome has stopped supporting serving non secure ...
0
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0answers
9 views

Library to create self querying SNMP Agent in Java

I am trying to create an SNMP Management Agent that will query itself the OID of the Object to be retrieved. It will retrieve the value and store it in an internal database for later retrieval. The ...
0
votes
0answers
12 views

CATALINA_HOME not exported properly in Ubuntu 12.04

Running Ubuntu 12.04 and Tomcat6 A Java web app (ClinCapture) attempts to access catalina_home and instead of returning CATALINA_HOME=/usr/share/tomcat6 it returns ...
1
vote
1answer
420 views

Suddenly error='Cannot allocate memory' (errno=12) [closed]

So this morning I noticed my website is down, went on my server and saw that the webserver has been stopped. When I try to start it again I get this error start -Dhttp.port=80 ...
1
vote
1answer
305 views

System-wide JRE settings in deployment.properties file are ignored?

Basically I have the same problem as in this question. However the proposed solution doesn't work for me, not on a Win2003 server and not on a Win7 laptop used for testing. I have a Java SE 6 program ...
1
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0answers
109 views

Disabled SSLv3 in Tomcat, but Still Showing POODLE Vulnerability

I have a Windows 2008 server with Tomcat 7.0.59 & Java 8u31 & I am trying to ensure that SSLv3 is disabled. Looking at the changelog for Java, SSL3 should no longer be supported and the Java ...
0
votes
0answers
64 views

Apache Tomcat for Windows - cannot get https to work

Environment: Windows 2003 Server 64-bit Running on VMWare ESX 5.5 8GB of Ram Apache Tomcat 6.0.36 Server D:\Program Files\Java\jdk1.6.0_26\jre\bin\server\jvm.dll JDK 1.6 update: 26 Have been able ...
42
votes
5answers
3k views

How do I install the JRE on a Windows server without Oracle adware?

I would like to install Java on one of our servers, but I am reticent due to Oracle's bundling of an Ask.com toolbar and some virus scanner. I've read that the java updater even installs these for ...
0
votes
0answers
55 views

Tomcat is not starting although JAVA_HOME path is correct

I have linux server in which I run several Tomcats. The current Java I use is 64 bit. All Tomcats use 64 bit java but one. This one Tomcat needs to run with 32 bit Java. If I don't change anything, ...
0
votes
1answer
54 views

JVM outputs “No console, will fork to get enough memory” when started via cron

I have come across an odd message when starting up a JVM via cron: "No console, will fork to get enough memory". Google only returns a handful of results when searching for that string, so I figured ...
0
votes
1answer
108 views

Effectively Monitoring Server Load of Production Amazon AMI + Tomcat + Lucee Instance [closed]

Looking for advice as to effectively monitoring the load of a production web server. Preferably solution will be free or minimal cost (server is owned by a very small web development company - read ...
0
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0answers
29 views

Taking a thread dump on IBM J9 takes a long time

I'm trying to collect a java core on AIX (java version 1.6). There is only one dump agent configured, which collects a system dump, heap dump and java core on every SIGQUIT, so I used HealthCenter to ...
0
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0answers
39 views

Openfire how to fix? Error creating secured outgoing session to remote server

I have a OpenBSD server 5.6, in this server install Openfire 3.9.3. But I am getting the following error: error.log 2015.02.16 08:59:44 org.jivesoftware.openfire.session.LocalOutgoingServerSession ...
0
votes
1answer
128 views

How to run Wildfly best?

Within development I start Wildfly 8 as standalone. Then I copy all my WAR files to /standalone/deployments and run them over http://localhost:8080/projectname/. When thinking of a productive server ...
0
votes
0answers
150 views

(103) Software caused connection abort: proxy: pass request body failed

The following errors are being logged in our proxy Apache logs while processing the request with Tomcat Server: (103)Software caused connection abort: proxy: pass request body failed proxy: pass ...
0
votes
2answers
185 views

Dependancy error when building maven project

I'm trying to move an application from being built locally on a Windows Eclipse installation to a Jenkins server. From what I can see the settings are correct and the dependencies should resolve. Even ...
0
votes
1answer
73 views

Why is my java process using much more heap space than specified?

I'm running a Java application on Solaris using the -Xmx256M switch. When I connect via JMX, the JVM tells me the application is using about 50Mb of heap, and correctly states the maximum heap size is ...
1
vote
0answers
40 views

HP Radio Port 210 web configuration

We acquired used WiFi system to provide better wlan for the customers in our hostel. The switch is HP PROCURVE 5406zl and we have 50 or so HP PROCURVE RADIO PORT 210 access points. I set up the ...
0
votes
1answer
245 views

How can I upgrade to Java 1.8 on an Amazon Linux Server?

I tried sudo yum update but it just keeps java "1.7.0_75". I need 1.8 for it to work with another application but can't figure out how to upgrade it. Do I need to manually install it somehow? There's ...
0
votes
3answers
132 views

Jenkins maven java 7 permission issue

I'm getting this error when attempting a Maven build in Jenkins, Building in workspace /var/lib/jenkins/workspace/xxxxprojectnamedeletedforprivacyxxxx java.nio.file.AccessDeniedException: ...
1
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0answers
365 views

Add an entire domain to Java Exception list

I'm administering hundreds of machines with Java interfaces that I sometimes need to get into. Unfortunately, the default Java settings in Windows block all of these applications from running, ...
2
votes
1answer
74 views

JVM on Windows - paging and full GCs

We have a Java-based app (TeamCity, on Tomcat, on Java 1.7) running on Windows (Server 2012 R2). Java runs with a 6GB max heap size, and the system has 10GB of RAM. It is the only non-OS service ...
1
vote
2answers
489 views

Java on Linux insufficient memory even though there is plenty of available memory being used for caching

I’m trying to start a process on Red Hat Enterprise Linux Server release 6.5 (Santiago), which is failing because it is not able to allocate sufficient memory. # There is insufficient memory for the ...
1
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0answers
39 views

jrun ssl peer not authenticated

Before I start, I should say that I've already posted this question at Code Ranch, and have not yet gotten an answer. I'll make sure both this site and Code Ranch receive the answer should I find ...
0
votes
1answer
57 views

Write sitemap.xml to java webapp root directory permission denied

I'm trying to use the sitemapgen4j library to build my sitemaps. I'm facing a permission problem while trying to write to my root directory https://code.google.com/p/sitemapgen4j/ the root context ...
3
votes
1answer
1k views

How to switch between TLS 1.0 and SSL 3.0 at Java/JRE level?

I am using java 1.6. I have setup my tomcat as my ssl enabled server. And i have setup a ssl enabled client (java code). When i do a communication from my client to server. In java ssl dump in tomcat ...