[jira] [Created] (FLINK-6317) History server - wrong default directory

[Shang Yuanchun (Jira)]

Lorenz Bühmann created FLINK-6317:
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             Summary: History server - wrong default directory
                 Key: FLINK-6317
                 URL: https://issues.apache.org/jira/browse/FLINK-6317
             Project: Flink
          Issue Type: Bug
          Components: Web Client
    Affects Versions: 1.2.0
            Reporter: Lorenz Bühmann
            Priority: Minor


When the history server is started without a directory specified in the configuration file, it will use some random directory located in the Java Temp directory. Unfortunately, a file separator is missing:

{code:title=HistoryServer.java@L139-L143|borderStyle=solid}
String webDirectory = config.getString(HistoryServerOptions.HISTORY_SERVER_WEB_DIR);
                if (webDirectory == null) {
                        webDirectory = System.getProperty("java.io.tmpdir") + "flink-web-history-" + UUID.randomUUID();
                }
                webDir = new File(webDirectory);
{code}

It should be

{code}
webDirectory = System.getProperty("java.io.tmpdir") + File.separator +  "flink-web-history-" + UUID.randomUUID();
{code}



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