Widely-used object-oriented programming language, emphasizing portability.

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Java Setup throws NullPointerException in Windows 8.1?

I need to install Java on a Windows 8.1 virtual machine. This is done by using Hyper-V to access the computer and then using Explorer to download both the Java x64 and i586. When the setup is almost ...
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1answer
30 views

application execution, java related

We are having an issue with apllication that is affecting multiple users. We have prepared fresh packages for their laptops. But for some of them the application will not run giving Java errors, with ...
0
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1answer
31 views

Testing in tomcat when it is running multiple applications

I am new to java. I am currently working on a web application where tomcat has to load about 24 web applications for the whole thing to function. The problem I am facing is that every time I make a ...
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1answer
27 views

How to run Minimus to minify files on mac?

I use minimus to minify my js scripts on my Mac. Why there is still the same error: "To view this web content, you need to install the Java Runtime Environment", although I installed Java. What to do ...
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1answer
163 views

Installing javac for fedora 20 and java version 1.6

By default, I had Java 7 installed on my system(X64, Fedora 20). I needed Java 6 for a software, hence had to remove 7. sudo yum remove *java* And then, I installed Java 6. This installs Java 6 ...
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1answer
49 views

Batch file executing differently than command prompt

I'm trying to make a jar file association patch for a friend of mine, and when I test the batch file on my computer and try to launch a jar file, I get an error saying Unable to access jar file. But ...
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0answers
109 views

Debian apt-get update not working

I have setup multiple servers prior with no issues, however after running apt-get update I see this after a long delay: Err http://apt.rackster-server.ch wheezy/updates/contrib amd64 Packages ...
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276 views

Arduino IDE won't launch in Windows 8.1

What I've tried 1 Installing Java SDK and runtime (JDK8 but when extracted it says jdk1.8.0_25) 2 add the %JAVA_HOME%\bin to Path environment variable 3 JAVA_HOME environment variable pointing to ...
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2answers
46 views

Why would my RPC server use 5x CPU when moving to a newer Linux kernel?

We're kind of running into a wall here, so I figured it was worth asking on this site. We have a Java process which serves up old Sun RPC connections as a compatiblility layer into a new system. On ...
2
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1answer
61 views

Should I trust download.oracle.com if my certificate does not match?

I've been getting this every time I try to download a JDK 8 update to my MacBook. First, I go here: http://www.oracle.com/technetwork/java/javase/downloads/index.html I click the download location ...
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1answer
377 views

Why Oracle java do not appears in the alternatives command on redhat 6.5?

I have redhat 6.5 x64 and java preinstalled on it. The command java - version shows: java version "1.7.0_45" OpenJDK Runtime Environment (rhel-2.4.3.3.el6-x86_64 u45-b15) OpenJDK 64-Bit Server VM ...
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59 views

What types of issues would cause very poor frame rate in games like Minecraft?

I am trying to assist a friend of mine in getting minecraft running on his computer so he can play on my server. I got everything installed and running but there is a serious issue. When he loads up ...
2
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1answer
1k views

OpenJDK shows intermittent performance and UI issues

I'm receiving following message inside of Event Log window whenever I'm launching Android Studio: OpenJDK shows intermittent performance and UI issues. We recommend using the Oracle JRE/JDK In ...
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votes
1answer
103 views

String command in netbeans does not color blue as commmand

I have a windows vista home premium on my toshibe Lap, and i use netbeans. The problem is when i type in netbeans the command "String" it does not color it bluei (that means that this is a command), ...
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0answers
209 views

Eclipse Just Crashes (Xubuntu 14.04)

This is crazy. Eclipse keeps crashing, closing itself a few seconds after I start it and I have no reason why. I have tried everything that I have seen here and nothing helps. I am so desperate that I ...
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1answer
55 views

I accidentally clicked never allow java to run a game from steam and now it wont ask again

I downloaded a game from steam and it came up with a java pop-up and I wasn't thinking and clicked never allow. Now it won't start the game and I cant figure out how to get it to pop up the java thing ...
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2answers
173 views

How do I set up JRE 8 on OS X?

I'm running OS X Lion. It comes with JRE6. I'd like to install JRE8. I can download a file that Oracle says is JRE 8 here: ...
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1answer
121 views

Java service won't start when using srvany.exe and Java 8

I have a couple of Java applications that I run as services on my work machine using srvany.exe. After resolving a previous issue, this system hasn't caused any major problems for us. However, after ...
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91 views

Programmatically downloading files from login-secured website. How would you do it?

The program I am currently working on fetches data from pdfs and provides an overview over the data of sorts. Now, the pdfs all reside in an online account, which I don't have access to except through ...
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0answers
294 views

Running Java program from PowerShell starts a 64-bit JVM: From .bat file, starts 32-bit JVM

I am trying to start a Java application from a batch file, with a 2G heap size, like so: java -Xmx2G -XX:MaxPermSize=256M -jar cauldron-1.7.10-1.1236.05.212-server.jar nogui When running this ...
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0answers
55 views

I am not able to access a shared folder data from a remote IP address

File file = new File("//192.168.1.100/sharename/sharefolder/User2.jpeg"); System.out.println(""+file.exists()); I am not able to access file named "User2.jpg" available on given IP address from Java ...
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0answers
214 views

Java 8 installation doesn't yield the correct javac version

I am using Mac version 10.9.5. I had a pre-existing JDK 7 installation (1.7.0_51). I decided to install try out Java 8 and downloaded the latest JDK (jdk-8u25-macosx-x64.dmg) from Oracle site. Next, ...
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1answer
125 views

Can't connect to tomcat7 from public ip

I posted this question on stackoverflow and was recommended to ask here instead. I've been struggling with this issue for the past two days and am hoping someone here can help me out. I have a ...
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1answer
966 views

Java is blocking all proxmox consoles. I can't add it to the site exception list

I cannot run a Proxmox console on Windows 7, as Java keeps blocking the page. The URL for it is https://proxmox.dis:8006 (.dis being our local domain name). Typically I just need to add the ...
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0answers
208 views

How to use ctags and vim to jump to java methods

This used to work before I upgraded my Ubuntu system: ctags *.java vim -t fooFunc Which would then take me to e.g. Foo.fooFunc() But now, vim goes to the standard "tag not found" page. I now have ...
3
votes
1answer
827 views

Java Web Start seg faults when run with no arguments

We are using Java Web Start to run our java application from our webpage. When the jnlp link is clicked the jnlp is downloaded but nothing happens. No error, no popup, nothing. Running manually for ...
0
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1answer
61 views

Running multiple Java versions on single Linux machine

My Linux machine with JRE 6 (1.6.0.35) is running a Java application. I am working on SCTP support in JRE 7 (not supported in JRE 6 and not supported on Windows), so I want to test a simple Java ...
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1answer
125 views

Need latest Java in Linux environment

I need some help with Java in a Linux environment. Quick background: we have Verizon FIOS and some of their services require use of their web site. We experienced all kinds of random web site ...
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0answers
11 views

How can I isolate a JPNLP (web deploy) Java version from other, legacy versions on the computer?

I have a JNLP that runs the following shortcut when installing: C:\Program Files (x86)\Java\jre1.8.0_25\bin\javaws.exe" -localfile ...
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0answers
98 views

Java permissions & CLSID for an Agilent 34980A multiplexer unit

I am using a 34980A unit as a multiplexer, that requires Java to view the multiplexer switches through an Internet browser. To operate the instrument I have to be offline and use DHCP, to enable the ...
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2answers
52 views

allow java plugin on internet explorer

I have customers who can't properly access their web application requiring java plugin to be enabled on internet explorer. This application requires the latest version ov java running (8u25 at the ...
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1answer
47 views

Hangs of Lotus Notes (composite) mail for several seconds - how to debug

Question: How can I profile Java part of composite application in Lotus Notes client (based on Eclipse/OSGi)? Background: Opening any document from view (does not matter which one: it happens in ...
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1answer
500 views

phpMyAdmin used by java application

I have a MySQL database running at a site using phpMyAdmin. My problem is that I want to use this database inside a Java application which runs as a regular, non browser, application. The problem is ...
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0answers
69 views

Tomcat 7 manager and multiple host, applications run several times

I am trying to link multiple hosts to multiple webapps, application deployment is through tomcat manager. My server.xml looks like this: <Host ...
0
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1answer
26 views

I keep getting a msg saying that OSX can't run a Java app because I don't have java installed

I keep getting a msg saying that OSX can't run a Java app because I don't have java installed. How do I find out what app it is trying to run? This began happening after updating to Yosemite, so it ...
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1answer
100 views

Remote access to a windows XP Embedded system running a Java based HMI Screen

What options are available to me to be able to get remote access to a Windows XP Embedded machine that is being used as a machine interface (HMI, GUI) the HMI is running a Java based software and I ...
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1answer
160 views

Java runtime environment path issues

I've had a problem with my Java installations for quite some time and I've never had time to sit and try to fix this problem. So I went ahead and uninstalled all the various versions of Java I'd ...
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0answers
38 views

Credit card reader gives random output

I bought a cheap $10 magnetic card reader online. It identifies as a generic keyboard, and as such should work on anything that accepts USB keyboards. It works just fine on Windows, but on Linux and ...
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0answers
197 views

Installed Java 64bit and have chrome 64bit, chrome doesn't reckognize java, but IE does

Been trying to figure this out, I read about have 64bit java with 32bit chrome, so i uninstalled all java, installed 64bit chrome and 64bit java. Java works fine in IE(which I NEVER use) but chrome ...
1
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1answer
87 views

xmodmap remapping doesn't work in java swing applications (like Intellij-IDEA)

I created a .Xmodmap file to remap my Caps_Lock to Mode_switch. This allows me to reassign my Arrow/Navigation Block of the keyboard to the home row. Everything worked fine, until I realized, that ...
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0answers
75 views

run two instances of Grails app into one Apache Tomcat server

I've developed a Grails application. It runs on a server Apache Tomcat. Now, I would like to run another instance of the same application in the same server. I surely know that second instance needs ...
0
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1answer
2k views

About adding many sites with only different ports to Java Exception Site List

After update Java to Java 8 update 25, the Medium security level has been removed from the Java Control Panel. I am a TA and need to browse many sites from the students. These sites contain Java ...
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0answers
116 views

Is there a way to get Mac OS X 10.10 with Java 8 to allow an application with expired certificate to be installed?

I’m trying to install AtlasStyler on a Mac OS X 10.10 box with Java 8 (update 25) installed. Trying to run the installer (Version 1.9 201403170926) ends in following deny alert: Saying that the ...
1
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1answer
259 views

Switching JRE version

I have JDK 1.8.0_05 64 bit, 1.6.0_45 64 bit and 1.6.0_39 32 bit versions installed on a same machine. I am using this machine for Android app development and it was working fine with Native Android ...
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0answers
14 views

Switching to Oracle Java?

I am on CentOS 7. By default, it comes with OpenJDK and icedtea. Then I installed Oracle's JDK 7 rpm (from its official website) When I try to open a jnlp file through chrome, chrome always uses ...
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145 views

Totally Disable Java 8 Security

Ever since Java 8, running java requires going through the java control panel, adding an exception to the site list, and restarting firefox. And even with an exception in the site list, it still ...
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0answers
28 views

Need help fixing Pathway on Mac OS X 10.6.8(Snow Leopard)

Whats up folks, i have posted this question on other forums but got no reply, just note before you read, my terminology is not the greatest, im only studying IT this year, so my knowledge be still a ...
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0answers
28 views

Weird SQL Time and Date exception in Windows

OS: Windows - Environment: MySQL I am facing a weird problem (for me at least), I was running some tests on database activities, the full scenario is like this: I have two Java programs manipulating ...
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1answer
86 views

How to uninstall Java version 1.4

I would like to asks a question about how to uninstall my old version of java(1.4.2_06) if it is not shown in add/remove in control panel? I'm using windows xp. I already uninstalled all my java that ...
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0answers
41 views

How can I remove Java 1.6 from my Mac 10.10

I looked and found an answer for this question for OS X 10.5 but the path doesn't exist on my computer here. I am a brand new Mac user so getting around my file system is very painful for me ...