Fix null pointer when system type is unknown. Regression from r46127.

iterate-ch · Mar 9, 2019 · 2492d9e · 2492d9e
1 parent 3559cb8
commit 2492d9e
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/ftp/src/main/java/ch/cyberduck/core/ftp/FTPSession.java b/ftp/src/main/java/ch/cyberduck/core/ftp/FTPSession.java
@@ -57,6 +57,7 @@
 import ch.cyberduck.core.ssl.X509TrustManager;
 import ch.cyberduck.core.threading.CancelCallback;
 
+import org.apache.commons.lang3.StringUtils;
 import org.apache.commons.net.ftp.FTPClientConfig;
 import org.apache.commons.net.ftp.FTPCmd;
 import org.apache.commons.net.ftp.FTPReply;
@@ -261,7 +262,7 @@ public void login(final Proxy proxy, final LoginCallback prompt, final CancelCal
                 if(log.isInfoEnabled()) {
                     log.info(String.format("Reset parser to timezone %s", zone));
                 }
-                String system = null; //Unknown
+                String system = StringUtils.EMPTY; //Unknown
                 try {
                     system = client.getSystemType();
                     if(system.toUpperCase(Locale.ROOT).contains(FTPClientConfig.SYST_NT)) {