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a12045c19e
Previous fixes for "transaction rollback: serialization failure" when updating trim heights in commits 16397852 and 58ed7205 had the right idea but were broken due to being synchronized on different objects. this.repository.trimHeightsLock would be a new Object() for each repository connection/session and so not actually synchronize concurrent updates. Implicit saveChanges()/COMMIT is still needed. Fix is to use a repository-wide object for synchronization - in this case the repositoryFactory object as held by RepositoryManager. Added test to cover. Also reduced DB trim height read to one call at start of thread for both trimming threads.
Qortal Project - Official Repo
Build / run
- Requires Java 11. OpenJDK 11 recommended over Java SE.
- Install Maven
- Use Maven to fetch dependencies and build:
mvn clean package - Built JAR should be something like
target/qortal-1.0.jar - Create basic settings.json file:
echo '{}' > settings.json - Run JAR in same working directory as settings.json:
java -jar target/qortal-1.0.jar - Wrap in shell script, add JVM flags, redirection, backgrounding, etc. as necessary.
- Or use supplied example shell script: run.sh