Merge branch 'vladdu/jinterface_findbugs/OTP-12210' into maint

* vladdu/jinterface_findbugs/OTP-12210:
  OtpErlangList.clone must not return null
  handle empty .erlang.cookie without crashing

2 files changed, 7 insertions, 2 deletions

diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java
index 3ef44b8851..3c15978b52 100644
--- a/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java
+++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/AbstractNode.java
@@ -128,7 +128,12 @@ public class AbstractNode {
 	    final File dotCookieFile = new File(dotCookieFilename);
 
 	    br = new BufferedReader(new FileReader(dotCookieFile));
-	    defaultCookie = br.readLine().trim();
+			final String line = br.readLine();
+			if (line == null) {
+				defaultCookie = "";
+			} else {
+				defaultCookie = line.trim();
+			}
 	} catch (final IOException e) {
 	    defaultCookie = "";
 	} finally {
diff --git a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpErlangList.java b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpErlangList.java
index 3456fd7412..e363fdb457 100644
--- a/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpErlangList.java
+++ b/lib/jinterface/java_src/com/ericsson/otp/erlang/OtpErlangList.java
@@ -326,7 +326,7 @@ public class OtpErlangList extends OtpErlangObject implements
 	try {
 	    return new OtpErlangList(elements(), getLastTail());
 	} catch (final OtpErlangException e) {
-	    return null;
+			throw new AssertionError(this);
 	}
     }