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jPortable 8 Update 451

jPortable: Portable and hassle-free Java deployment on your Windows 7 computer.

Introducing jPortable - the ultimate solution for all your Java-related needs! Developed by Portableapps, this software packs a punch with its powerful and flexible features. Now, you can enjoy the benefits of Java on-the-go without the hassle of installing it on your computer. jPortable is the perfect tool for developers, designers, and anyone who wants to experience Java's performance without the burden of a full installation. Download it now and witness the power of jPortable!

jPortable 8 Update 451 full details

File Size: 1.00 MB
License: Freeware
Price: FREE
Released: 2025-05-01
Downloads: Total: 785 | This Month: 59
Publisher: John T. Haller
Publisher URL: https://portableapps.com/


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jPortablePassword ManagersWindows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit

User Rating: 3.2 (20 votes)

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jPortable 8 Update 451 full description

jPortable allows you to carry a full-featured Java® Runtime Environment on your PortableApps.com-enabled device. With Java® on your portable device, portable apps which utilize the Java runtime environment, like OpenOffice.org Portable, can automatically utilize Java® even if it isn't installed on the local PC. JARs can be run using our jPortable Launcher.

jPortable allows you to easily add a Java® runtime environment to your portable device. It automatically works with apps in PortableApps.com Format like OpenOffice.org Portable. No Java® runtime environment needs to be installed on the local machine and no admin rights are required. JARs can be run using our jPortable Launcher. (Note that Firefox currently requires a local JVM, but we're working on it.)

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jPortable 8 Update 451 Windows 7 release notes

New Release
New features:
security-libs/javax.crypto
New Security property to control crypto policy:
This release introduces a new feature whereby the JCE jurisdiction policy files used by the JDK can be controlled via a new Security property. In older releases, JCE jurisdiction files had to be downloaded and installed separately to allow unlimited cryptography to be used by the JDK. The download and install steps are no longer necessary. To enable unlimited cryptography, one can use the new crypto.policy Security property. If the new Security property (crypto.policy) is set in the java.security file, or has been set dynamically using the Security.setProperty() call before the JCE framework has been initialized, that setting will be honored. By default, the property will be undefined. If the property is undefined and the legacy JCE jurisdiction files don't exist in the legacy lib/security directory, then the default cryptographic level will remain at 'limited'. To configure the JDK to use unlimited cryptography, set the crypto.policy to a value of 'unlimited'. See the notes in the java.security file shipping with this release for more information.
Note : On Solaris, it's recommended that you remove the old SVR4 packages before installing the new JDK updates. If an SVR4 based upgrade (without uninstalling the old packages) is being done on a JDK release earlier than 6u131, 7u121, or 8u111, then you should set the new crypto.policy Security property in the java.security file.
Because the old JCE jurisdiction files are left in <java-home>/lib/security, they may not meet the latest security JAR signing standards, which were refreshed in 6u131, 7u121, 8u111, and later updates. An exception similar to the following might be seen if the old files are used:
Caused by: java.lang.SecurityException: Jurisdiction policy files are not signed by trusted signers!
at javax.crypto.JceSecurity.loadPolicies(JceSecurity.java:593)
at javax.crypto.JceSecurity.setupJurisdictionPolicies(JceSecur
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