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Minor: Improve ApplicationExitUtil

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It's currently actually un-used, but it could be used again
in the future, when we re-integrate MariaDB4j. (I had this
patch on a branch for months and wanted to get it upstream.)
This commit is contained in:
Michael Vorburger.ch
2020-10-20 03:37:11 +02:00
committed by Aleksandar Vidakovic
parent bb64d3f1a5
commit c98cef85f6
1 changed files with 25 additions and 12 deletions
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fineract-provider/src/main/java/org/apache/fineract/infrastructure/core/boot/ApplicationExitUtil.java
+25 -12
View File
@@ -33,18 +33,31 @@ public abstract class ApplicationExitUtil {
private ApplicationExitUtil() {}
public static void waitForKeyPressToCleanlyExit(ConfigurableApplicationContext ctx) throws IOException {
// In some environments, System.console() is not available (e.g. "./gradlew bootRun", or in a container, or in
// Eclipse, see https://bugs.eclipse.org/bugs/show_bug.cgi?id=122429.
//
// Also (but as a separate problem), e.g. in Eclipse, the Shutdown Hooks are not invoked on Exit with the Red
// Button of the Console view (see https://bugs.eclipse.org/bugs/show_bug.cgi?id=38016); that's a problem e.g.
// in the case of MariaDB4j, because then mysqld won't be stopped; same problem similarly applies on any other
// library else that relies on an orderly Spring Context / JVM shutdown.
//
if (System.console() == null) {
LOG.info("\nNo Console available, running until stopped by signal/Ctrl-C...");
boolean interrupted = false;
do {
try {
Thread.sleep(Long.MAX_VALUE);
} catch (InterruptedException e) {
interrupted = true;
}
} while (!interrupted);
} else {
LOG.info("\nHit Enter to quit...");
BufferedReader d = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
d.readLine();
// NOTE: In Eclipse, the Shutdown Hooks are not invoked on exit (red
// button).. In the case of MariaDB4j that's a problem because then the
// mysqld won't be stopped, so:
// (@see https://bugs.eclipse.org/bugs/show_bug.cgi?id=38016)
LOG.info("\nHit Enter to quit...");
// NOTE: In Eclipse, System.console() is not available.. so:
// (@see https://bugs.eclipse.org/bugs/show_bug.cgi?id=122429)
BufferedReader d = new BufferedReader(new InputStreamReader(System.in, StandardCharsets.UTF_8));
d.readLine();
ctx.stop();
ctx.close();
ctx.stop();
ctx.close();
}
}
}