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Qortal Core - Main Code Repository Decentralized Data Network - Blockchain - TRUE Cross-Chain Trading - Application and Website Hosting - Much More - Qortal is the future internet infrastructure for the global digital world.
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catbref 3453f0efaf Rework HSQLDB CHECKPOINTing to defer until there are no ongoing SQL transactions, in order to prevent DB deadlocks. 
Symptoms of a CHECKPOINT-related DB deadlock:

On Controller thread:
"Controller" #20 prio=5 os_prio=31 cpu=1577665.56ms elapsed=17666.97s allocated=475G defined_classes=412 tid=0x00007fe99f97b000 nid=0x1644b waiting on condition  [0x0000700009a21000]
   java.lang.Thread.State: WAITING (parking)
	at jdk.internal.misc.Unsafe.park(java.base@14.0.2/Native Method)
	- parking to wait for  <0x0000000602f2a6f8> (a org.hsqldb.lib.CountUpDownLatch$Sync)
[...some more lines...]
[this next line is the best indicator: ]
	at org.qortal.repository.hsqldb.HSQLDBRepository.checkpoint(HSQLDBRepository.java:385)
	at org.qortal.repository.RepositoryManager.checkpoint(RepositoryManager.java:51)
	at org.qortal.controller.Controller.run(Controller.java:544)

Other threads stuck at:
	- parking to wait for  <0x00000007ff09f0b0> (a org.hsqldb.lib.CountUpDownLatch$Sync)
	at java.util.concurrent.locks.LockSupport.park(java.base@14.0.2/LockSupport.java:211)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(java.base@14.0.2/AbstractQueuedSynchronizer.java:714)
	at java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(java.base@14.0.2/AbstractQueuedSynchronizer.java:1046)
	at org.hsqldb.lib.CountUpDownLatch.await(Unknown Source)
	at org.hsqldb.Session.executeCompiledStatement(Unknown Source)
2021-02-13 17:32:09 +00:00
lib/org Upgrade to CIYAM-AT v1.3.8 with slight performance improvements 2020-10-07 10:31:18 +01:00
src Rework HSQLDB CHECKPOINTing to defer until there are no ongoing SQL transactions, in order to prevent DB deadlocks. 2021-02-13 17:32:09 +00:00
tools Added tool to help build release notes 2021-02-06 11:02:36 +00:00
WindowsInstaller Updated AdvancedInstaller config file to latest Qortal v1.4.1 2021-02-06 11:00:32 +00:00
.DS_Store Initial translations of UI terms into Finnish 2021-02-12 17:02:31 +02:00
.gitignore Fixed .gitignore to ensure that all .DS_Store files (autogenerated by macOS) are excluded. 2021-02-13 11:17:10 +00:00
AutoUpdates.md Documentation updates 2021-02-06 10:59:31 +00:00
DATABASE.md Documentation updates 2021-02-06 10:59:31 +00:00
log4j2.properties Suppress extraneous bitcoinj logging output 2020-05-14 12:52:08 +01:00
pom.xml Bump version to v1.4.1 2021-01-18 08:17:09 +00:00
README.md Documentation updates 2021-02-06 10:59:31 +00:00
run.sh Improved start-up shell script "start.sh" 2020-09-01 10:25:48 +01:00
start.sh Improved start-up shell script "start.sh" 2020-09-01 10:25:48 +01:00
stop.sh Exit from stop.sh with an error if curl isn't installed. Based on code submitted by TRM13 in issue #28. 2021-02-12 16:13:01 +00:00
TestNets.md Documentation updates 2021-02-06 10:59:31 +00:00

README.md

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: start.sh