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CORDA-1455 - Error in process-id deletion process allows multiple instances of same node to be run (fix). (#3118) (#3195)

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Katelyn Baker 2018-05-19 12:35:32 +01:00 committed by GitHub
parent 2d1ceb6cb0
commit f9e0742d69
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node/src/main/kotlin/net/corda/node/internal/NodeStartup.kt
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@ -219,7 +219,6 @@ open class NodeStartup(val args: Array<String>) {
// twice with the same directory: that's a user error and we should bail out.
val pidFile = (baseDirectory / "process-id").toFile()
pidFile.createNewFile()
pidFile.deleteOnExit()
val pidFileRw = RandomAccessFile(pidFile, "rw")
val pidFileLock = pidFileRw.channel.tryLock()
if (pidFileLock == null) {
@ -227,6 +226,7 @@ open class NodeStartup(val args: Array<String>) {
println("Shut that other node down and try again. It may have process ID ${pidFile.readText()}")
System.exit(1)
}
pidFile.deleteOnExit()
// Avoid the lock being garbage collected. We don't really need to release it as the OS will do so for us
// when our process shuts down, but we try in stop() anyway just to be nice.
addShutdownHook {