Merge pull request #21289 from owncloud/issue-20399-keep-periodic-background-jobs

Do not delete background jobs, in case an exception occured

lib/private/backgroundjob/job.php

@@ -54,7 +54,6 @@ abstract class Job implements IJob {
 			if ($logger) {
 				$logger->error('Error while running background job: ' . $e->getMessage());
 			}
-			$jobList->remove($this, $this->argument);
 		}
 	}
 

tests/lib/backgroundjob/job.php

@@ -23,10 +23,17 @@ class Job extends \Test\TestCase {
 		});
 		$jobList->add($job);
 
+		$logger = $this->getMockBuilder('OCP\ILogger')
+			->disableOriginalConstructor()
+			->getMock();
+		$logger->expects($this->once())
+			->method('error')
+			->with('Error while running background job: ');
+
 		$this->assertCount(1, $jobList->getAll());
-		$job->execute($jobList);
+		$job->execute($jobList, $logger);
 		$this->assertTrue($this->run);
-		$this->assertCount(0, $jobList->getAll());
+		$this->assertCount(1, $jobList->getAll());
 	}
 
 	public function markRun() {