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Cannot Create Class In System Package

The suggested fix is to edit the bluej.defs configuration file and enter the following settings: bluej.vm.args=-Dsun.java2d.ddoffscreen=false Why does nothing happens when I double click on an executable JAR created in BlueJ? Locate the log file that was produced (see the knowledge base article) and move it somewhere so that you can find it again easily later. Note that there is a SEVERE message produced at start-up: SEVERE [org.netbeans.modules.mercurial]: execEnv(): execEnv(): IOException java.io.IOException: hg: not found I do not know if there are troubling side-effects associated with this. You should consult your distribution's documentation to determine how to disable or correctly configure both the firewall and SELinux (or, try doing a web search or consulting an appropriate user forum). Source

Includes important start-up messages and diag info Comment 2 douglasmeyer 2009-07-15 23:57:21 UTC Dear NetBeans: As I've continued to think about this issue, I thought perhaps the following could be valuable In BlueJ, select "Preferences..." from the Tools menu. They are all text files. Do the following if you wish to proceed: Close all applications.

This should open a command prompt window, labeled "Administrator:". Wait... more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Includes important start-up messages and diag info (63.76 KB, text/plain) 2009-07-15 23:02 UTC, douglasmeyer Details Result of Create->Class after uninstall/reinstall of 6.5.1 (64.71 KB, text/plain) 2009-07-21 08:54 UTC, douglasmeyer Details The Plz. I cannot create a new class. One small thing to look out for: if the classes are in a jar file, select the jar file itself as the library.

Avoid JDK "bundles" (JDK with Java EE, or with Netbeans). If you use the standard Windows firewall, you can use the following pages to help you configure the firewall: http://support.microsoft.com/kb/875356 (Windows XP) http://support.mozilla.com/en-US/kb/Configuring+Windows+Firewall (Windows 7. In BlueJ, you can do this. To give root access to your user account, you need to use an account with sudo access to edit the file "/etc/sudoers" using the command "sudo visudo".

Sponsored by NetBeans IDE NetBeans Platform Plugins Docs & Support Community Partners netbeans.org> projects > mobility > mailing lists > Users Mailing List Use Advanced Search to search the entire archive. Hope to hear from someone, BR, Aisling Peter Evans Greenhorn Posts: 1 posted 11 years ago Hi, I just found this topic after searching for solutions to the "cannot create Here is how: In recent versions of OS X, including Snow Leopard, open your System Preferences, go to the Network panel, click Advanced... I've tried to perform Lab 1 of WJ-2752-SE6 and am unable to create a new class.

Tax Free when leaving EU through the different country What is the text to the left of a command (as typed in a terminal) called? directory FAQs Search RecentTopics FlaggedTopics HotTopics Best Topics Register / Login Post Reply Bookmark Topic Watch Topic New Topic programming forums Java Java JSRs Mobile Certification Databases Caching Books Engineering Languages Frameworks Create a new directory for the language you want. Installation and Configuration General "BlueJ could not find any Java systems.

You may be able to overcome this by editing the file "/etc/sysctl.d/bindv6only.conf" and changing the setting "net.ipv6.bindv6only" from 1 to 0, and restarting your system. http://skimwp.org/cannot-create/cannot-create-aux-class-the-system-cannot-find-the-file-specified.php asked 2 years ago viewed 381 times active 2 years ago Get the weekly newsletter! I realise from this post that I must "obfuscate" my classes. On Linux: On Linux, the firewall will normally be configured correctly, unless you are using custom firewall rules.

You can also clear the terminal programmatically from within your program. Thanks! This was a brilliant decission - Let's obfuscate everything!!! -Jorma- Michael Yuan author Ranch Hand Posts: 1427 posted 13 years ago Well, the "system package" issue does not come up http://skimwp.org/cannot-create/cannot-create-class-in-system-package-nokia.php How to convert numbers to currency values?

However, Security Enhanced Linux (SELinux) can also prevent TCP/IP communication which will prevent BlueJ from functioning correctly. Back to the top BlueJ Frequently Asked Questions Contents BlueJ Features How do I call a main method in BlueJ, and how do I pass it arguments? One possible way to add classes to this package is edit sources compile your own version of java (e.g.

As the full message text states, this problem is normally caused by firewall software interfering with BlueJ's operation.

Hope this helps. Then type in (or select from the popup menu) the full class name of the class you want to instantiate. Have a nice weekend! While installing BlueJ on Windows, I get an error: "Installation Directory Must be on a Local Hard Drive" This is not a BlueJ-specific issue, but a problem with Windows Installer mechanism,

HELP! Someone out there might just be looking for a translation into your language, too. Solution: ensure that different machines have different names. Check This Out I thought that this issue was handled by certifications/signatures, but obviously JVM includes some non-public secrets...

Also, I know Motorola iDEN emulators do not allow this. Choose Start > All Programs > Accessories. Comment 5 Jan Jancura 2009-07-21 09:07:53 UTC Looks like some issue with reinstallation of Java. Then you may want to be able to write import simpleIO.*; without the need to copy all the simpleIO classes into every project.