vvysotskyi commented on a change in pull request #1656: DRILL-7056: Drill fails
with NPE when starting in distributed mode & …
URL: https://github.com/apache/drill/pull/1656#discussion_r261967779
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File path:
exec/java-exec/src/test/java/org/apache/drill/test/TestGracefulShutdown.java
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@@ -205,6 +212,47 @@ public void
testDrillbitWithSamePortContainsShutdownThread() throws Exception {
}
}
+ @Test // DRILL-7056
+ public void testDrillbitTempDir() throws Exception {
+ File originalDrillbitTempDir = null;
+ ClusterFixtureBuilder fixtureBuilder =
ClusterFixture.bareBuilder(dirTestWatcher).withLocalZk()
+ .configProperty(ExecConstants.ALLOW_LOOPBACK_ADDRESS_BINDING, true)
+ .configProperty(ExecConstants.INITIAL_USER_PORT,
QueryTestUtil.getFreePortNumber(31170, 300))
+ .configProperty(ExecConstants.INITIAL_BIT_PORT,
QueryTestUtil.getFreePortNumber(31180, 300));
+
+ try (ClusterFixture fixture = fixtureBuilder.build();
+ Drillbit twinDrillbitOnSamePort = new Drillbit(fixture.config(),
+ fixtureBuilder.configBuilder().getDefinitions(),
fixture.serviceSet())) {
+ // Assert preconditions :
+ // 1. First drillbit instance should be started normally
+ // 2. Second instance startup should fail, because ports are
occupied by the first one
+ Drillbit originalDrillbit = fixture.drillbit();
+ assertNotNull("First drillbit instance should be initialized",
originalDrillbit);
+ originalDrillbitTempDir = getWebServerTempDirPath(originalDrillbit);
+ assertTrue("First drillbit instance should have a temporary Javascript
dir initialized", originalDrillbitTempDir.exists());
+ try {
+ twinDrillbitOnSamePort.run();
+ fail("Invocation of 'twinDrillbitOnSamePort.run()' should throw
UserException");
+ } catch (UserException e) {
+ assertNull("Second drillbit instance should NOT have a temporary
Javascript dir", getWebServerTempDirPath(twinDrillbitOnSamePort));
+ }
+ }
+ // Verify deletion
+ assertFalse("First drillbit instance should have a temporary Javascript
dir deleted", originalDrillbitTempDir.exists());
+ }
+
+ private static File getWebServerTempDirPath(Drillbit drillbit) {
+ File webServerTempDirPath = null;
+ try {
+ Field webServerField = FieldUtils.getField(drillbit.getClass(),
"webServer", true);
+ WebServer webServerHandle = (WebServer)
FieldUtils.readField(webServerField, drillbit, true);
+ webServerTempDirPath = webServerHandle.getOrCreateTmpJavaScriptDir();
+ } catch (IllegalAccessException e) {
+ e.printStackTrace();
Review comment:
Please remove this and catch block in general and specify this exception in
a throws clause.
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