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JIRA: https://jira.spring.io/browse/INT-3667 * fix `RedisLockRegistry.tryLock` memory leaks using 2 different thread local internal storages: hard references for locked locks and weak references (optional) for others, weak references are used for lock obtaining optimization - thread will get same `RedisLock` object for certain key before locking and after unlocking (if variable still exists) * add `RedisLockRegistry.useWeakReferences` property for enable thread local weak references storage for unlocked locks, disabled by default * fix `RedisLockRegistry$RedisLock.obtainLock` improper expire time update (expire time was updated on every attempt to get lock) * update `RedisLockRegistry` tests
Spring Integration 
Checking out and Building
To check out the project and build from source, do the following:
git clone git://github.com/spring-projects/spring-integration.git
cd spring-integration
./gradlew build
If you encounter out of memory errors during the build, increase available heap and permgen for Gradle:
GRADLE_OPTS='-XX:MaxPermSize=1024m -Xmx1024m'
To build and install jars into your local Maven cache:
./gradlew install
To build api Javadoc (results will be in build/api):
./gradlew api
To build reference documentation (results will be in build/reference):
./gradlew reference
To build complete distribution including -dist, -docs, and -schema zip files (results will be in build/distributions)
./gradlew dist
Using Eclipse
To generate Eclipse metadata (.classpath and .project files), do the following:
./gradlew eclipse
Once complete, you may then import the projects into Eclipse as usual:
File -> Import -> Existing projects into workspace
Browse to the 'spring-integration' root directory. All projects should import free of errors.
Using IntelliJ IDEA
To generate IDEA metadata (.iml and .ipr files), do the following:
./gradlew idea
Resources
For more information, please visit the Spring Integration website at: http://projects.spring.io/spring-integration