- Error initializing java runtime environment mac how to#
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- Error initializing java runtime environment mac windows#
If you launch ImageJ in debug mode (see above), and receive a message like:Ĭould not reserve enough space for 1253376KB object heap
Error initializing java runtime environment mac windows#
On some 32-bit Windows systems, ImageJ may initially request more memory than Windows can handle. If ImageJ does not start up On a fresh installation
Error initializing java runtime environment mac download#
On Windows, you will need to download and run this batch file, which launches ImageJ with an attached Command Prompt window.Launch ImageJ again, this time from the console as described above.If the first method does not work, and you can reproduce the hang: Press ⌃ Ctrl + A to select it, then ⌃ Ctrl + C to copy it to the clipboard.If successful, it will open a new window with the stack trace. There are two ways to create such a snapshot, known as a “thread dump” or “stack trace”.
Error initializing java runtime environment mac how to#
This information can give the developers valuable hints about how to fix the problem. If ImageJ appears to hang-i.e., it stops responding to inputs-it is often helpful to take a “snapshot” of where the program is at after the hang occurs. For maximum debugitude, turn on both! If ImageJ freezes or hangs This might reveal different information than using the techniques described above. There is another debug mode, which can be enabled in the Edit › Options › Misc… menu, by checking Debug mode. See the Logging page for more about SciJava logging. Valid levels include: none, error, warn, info, debug and trace. You can control the log level more precisely by setting the system property.
“Java 1.8.0_45” or similar indicates Java 8, while “Java 1.7.0_79” or similar indicates Java 7. The relevant number is the one after “Java 1.”-so e.g. You can tell which Java version ImageJ is using by clicking the ImageJ status bar and looking for the part that says e.g. How to troubleshoot problems Checking the Java version