Github user mxm commented on a diff in the pull request: https://github.com/apache/flink/pull/2275#discussion_r79356049 --- Diff: flink-yarn-tests/src/test/java/org/apache/flink/yarn/YarnTestBase.java --- @@ -374,7 +409,39 @@ public static void startYARNWithConfig(Configuration conf) { File flinkConfDirPath = findFile(flinkDistRootDir, new ContainsName(new String[]{"flink-conf.yaml"})); Assert.assertNotNull(flinkConfDirPath); - map.put(ConfigConstants.ENV_FLINK_CONF_DIR, flinkConfDirPath.getParent()); + if(!StringUtils.isBlank(principal) && !StringUtils.isBlank(keytab)) { + //copy conf dir to test temporary workspace location + tempConfPathForSecureRun = tmp.newFolder("conf"); + + String confDirPath = flinkConfDirPath.getParentFile().getAbsolutePath(); + FileUtils.copyDirectory(new File(confDirPath), tempConfPathForSecureRun); + + try(FileWriter fw = new FileWriter(new File(tempConfPathForSecureRun,"flink-conf.yaml"), true); + BufferedWriter bw = new BufferedWriter(fw); + PrintWriter out = new PrintWriter(bw)) + { + LOG.info("writing keytab: " + keytab + " and principal: " + principal + " to config file"); + out.println(""); + out.println("#Security Configurations Auto Populated "); + out.println(ConfigConstants.SECURITY_KEYTAB_KEY + ": " + keytab); + out.println(ConfigConstants.SECURITY_PRINCIPAL_KEY + ": " + principal); + out.println(""); + } catch (IOException e) { + LOG.error("Exception occured while trying to append the security configurations. Reason: {}", e.getMessage()); --- End diff -- Should be `LOG.error("Exception occured while trying to append the security configurations.", e);`
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