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Or by double clicking on a jar file by typing these two commands into a Terminal window:Ĭd /System/Library/Frameworks/amework/Versions

It is possible to revert to Java 1.3.1 when running Java programs from the command line Note: Panther (OS X 1.3) users should avoid Java 1.3.1 since theĬombination of Panther and Java 1.3.1 seems to cause frequent ImageJ crashes. These changes to create separate Java 1.3.1 and Java 1.4 versions. Value of the Root>Java>JVMVersion property from "1.4+" to "1.3.1". Select "Show Package Contents", open the "Contents" folder, drag and drop "ist" on TextEdit, The ImageJ double-clickable application uses Java 1.4.1 or later. Switching Between Java 1.4.2 and Java 1.3.1 To compile a plugin that uses a JAR file, copy the JAR file to /Library/Java/Extensions. The JAR file into the plugins folder or an immediate subfolder of the plugins folder, then restarting In ImageJ 1.31 or later, this is done by copying Some plugins require adding a JAR file to ImageJ. This bug has been reported to Apple (ID# 3761991). With Java 1.4.2, the cursor is always an arrowhead.When ImageJ is started by double-clicking on ij.jar or run from the command lineĭue to a bug in Java's Runtime.maxMemory() method. The available memory value displayed by ImageJ (1.32h or later) is 64MB too high.Plasma2 applet are test cases for this problem. There does not appear to be a way to unselect an ROI in the ROI Manager ( bug).Īs a workaround, press the "Unselect" button.To separate images requires 58MB of additional memory! OS X requires a lot of memory for each open window.ImageJ cannot use more than about 1.8GB of RAM.This bug has been reported to Apple (ID# 3488737). Upgrading to the latest version of Java should The OS X version of ImageJ opens images, text files, ROIs and LUTs that are dropped on the ImageJ icon. Then drag the newer ij.jar into the Contents/Resources/Java folder. With ImageJ 1.34 and earlier, control-click on the ImageJ application, select "Show Package Contents", To upgrade to the latest version of ImageJ, replace the ij.jar file in the ImageJ folder Note that ImageJ is limited to 64MB when you run it by double clicking on ij.jar.

The maximum amount of memory that can be allocated is about 1.8 GB.Īnother way to make more memory available to ImageJ isīy running from the command line and using the -Xmx option. Setting the "Maximum Memory" value to more than about 75% of real RAM may result in poor perfomance due to virtual memory "thrashing". To run ImageJ, open this folder and double-click on the ImageJ icon.Ĭommand to make more than 192MB of memory available to ImageJ. tar.gz file and double-click on it to extract To install ImageJ, download the Mac OS X. You can find and download the update suitable for your system using this single link.Home | news | docs | download | plugins | macros/dev | search | links OS X Installation This is an Apple-specific issue.” The Cupertino-based Mac maker credits Radim Marek for reporting this issue. This update addresses the issue through improved error handling. “Visiting a website containing a maliciously crafted Java applet may lead to arbitrary code execution. “An error checking issue leading to the use of an uninitialized variable exists in the Hash-based Message Authentication Code (HMAC) provider used for generating MD5 and SHA-1 hashes,” says Apple. Apple's Support section reveals that, prior to Java for Mac OS X 10.5 Update 2, visiting a maliciously crafted website could have led to arbitrary code execution. Handling of URL has also been improved, to prevent an attacker from launching local files. Some of the new security enhancements offered in the Java for Mac OS X 10.5 Update 2 include protection against malicious applets from launching file://URLs. This release updates J2SE 5.0 to version 1.5.0_16 and Java 1.4 to version 1.4.2_18. Java for Mac OS X 10.4, Release 7 delivers improved reliability and compatibility for Java 2 Platform Standard Edition 5.0 and Java 1.4 on Mac OS X 10.4.11 and later. Java for Mac OS X 10.5 Update 2 delivers improved reliability and compatibility for Java SE 6, J2SE 5.0 and J2SE 1.4.2 on Mac OS X 10.5.4 and later. A number of security issues are addressed in the update. The release supports all Intel and PowerPC-based Macs, while Java SE 6 is available on 64-bit, Intel-based Macs only. Java for Mac OS X 10.x Update 2 delivers improved reliability and compatibility for several editions of Java 1.4.2 on Mac OS X.

Apple has released Java updates for Mac OS X 10.4 and 10.5 ( Tiger and Leopard) users.