It is the "root" locale - a concept introduced in Java 1.6. I assume the Sun/Oracle JRE excludes it from the available locales list because it is an abstract concept, not an actual locale you would use in an application. It seems other JRE manufacturers include it in the available locales list.

Adrian Crum
Sandglass Software
www.sandglass-software.com

On 4/29/2015 3:33 PM, Adam Heath wrote:
http://docs.oracle.com/javase/7/docs/api/java/util/Locale.html#getDisplayName()


==
depending on which fields are specified in the locale. If the language,
sacript, country, and variant fields are all empty, this function
returns the empty string.
==

I'd really like to know what locale definition is returning empty for
all *4* of those values, which then causes getDisplayName() to return
empty as well. That seems to actually be the WTF about this.

ps: note the typo in my cut and paste; that's in the actual documentation.

On 04/29/2015 01:10 AM, [email protected] wrote:
Author: adrianc
Date: Wed Apr 29 06:10:01 2015
New Revision: 1676674

URL: http://svn.apache.org/r1676674
Log:
Fixed a bug in UtilMisc.java where the List returned by the
availableLocales() method included an empty Locale - causing errors in
FreeMarker templates.

https://issues.apache.org/jira/browse/OFBIZ-6309

Added:

ofbiz/trunk/framework/base/src/org/ofbiz/base/util/test/UtilMiscTests.java

Modified:
     ofbiz/trunk/framework/base/build.xml
     ofbiz/trunk/framework/base/src/org/ofbiz/base/util/UtilMisc.java
     ofbiz/trunk/framework/base/testdef/basetests.xml

Modified: ofbiz/trunk/framework/base/build.xml
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/build.xml?rev=1676674&r1=1676673&r2=1676674&view=diff

==============================================================================

--- ofbiz/trunk/framework/base/build.xml (original)
+++ ofbiz/trunk/framework/base/build.xml Wed Apr 29 06:10:01 2015
@@ -41,6 +41,7 @@ under the License.
          <file
name="org/ofbiz/base/lang/test/ComparableRangeTests.java"/>
          <file
name="org/ofbiz/base/util/test/IndentingWriterTests.java"/>
          <file name="org/ofbiz/base/util/test/ObjectTypeTests.java"/>
+        <file name="org/ofbiz/base/util/test/UtilMiscTests.java"/>
          <file name="org/ofbiz/base/util/test/UtilObjectTests.java"/>
          <file
name="org/ofbiz/base/util/string/test/FlexibleStringExpanderTests.java"/>
          <file
name="org/ofbiz/base/util/collections/test/FlexibleMapAccessorTests.java"/>


Modified:
ofbiz/trunk/framework/base/src/org/ofbiz/base/util/UtilMisc.java
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/src/org/ofbiz/base/util/UtilMisc.java?rev=1676674&r1=1676673&r2=1676674&view=diff

==============================================================================

--- ofbiz/trunk/framework/base/src/org/ofbiz/base/util/UtilMisc.java
(original)
+++ ofbiz/trunk/framework/base/src/org/ofbiz/base/util/UtilMisc.java
Wed Apr 29 06:10:01 2015
@@ -746,7 +746,10 @@ public class UtilMisc {
              } else {
                  Locale[] locales = Locale.getAvailableLocales();
                  for (int i = 0; i < locales.length && locales[i] !=
null; i++) {
-                    localeMap.put(locales[i].getDisplayName(),
locales[i]);
+                    String displayName = locales[i].getDisplayName();
+                    if (!displayName.isEmpty()) {
+                        localeMap.put(displayName, locales[i]);
+                    }
                  }
              }
              return Collections.unmodifiableList(new
ArrayList<Locale>(localeMap.values()));

Added:
ofbiz/trunk/framework/base/src/org/ofbiz/base/util/test/UtilMiscTests.java

URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/src/org/ofbiz/base/util/test/UtilMiscTests.java?rev=1676674&view=auto

==============================================================================

---
ofbiz/trunk/framework/base/src/org/ofbiz/base/util/test/UtilMiscTests.java
(added)
+++
ofbiz/trunk/framework/base/src/org/ofbiz/base/util/test/UtilMiscTests.java
Wed Apr 29 06:10:01 2015
@@ -0,0 +1,41 @@
+/*******************************************************************************

+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+
*******************************************************************************/

+package org.ofbiz.base.util.test;
+
+import java.util.List;
+import java.util.Locale;
+
+import org.ofbiz.base.test.GenericTestCaseBase;
+import org.ofbiz.base.util.UtilMisc;
+
+public class UtilMiscTests extends GenericTestCaseBase {
+
+    public UtilMiscTests(String name) {
+        super(name);
+    }
+
+    public void testLocales() throws Exception {
+        List<Locale> availableLocales = UtilMisc.availableLocales();
+        for (Locale availableLocale : availableLocales) {
+            if (availableLocale.getDisplayName().isEmpty()) {
+                fail("Locale.getDisplayName() is empty");
+            }
+        }
+    }
+}

Modified: ofbiz/trunk/framework/base/testdef/basetests.xml
URL:
http://svn.apache.org/viewvc/ofbiz/trunk/framework/base/testdef/basetests.xml?rev=1676674&r1=1676673&r2=1676674&view=diff

==============================================================================

--- ofbiz/trunk/framework/base/testdef/basetests.xml (original)
+++ ofbiz/trunk/framework/base/testdef/basetests.xml Wed Apr 29
06:10:01 2015
@@ -27,6 +27,7 @@
          <junit-test-suite
class-name="org.ofbiz.base.util.test.IndentingWriterTests"/>
          <junit-test-suite
class-name="org.ofbiz.base.util.test.ObjectTypeTests"/>
          <!--junit-test-suite
class-name="org.ofbiz.base.util.test.ReferenceCleanerTests"/-->
+        <junit-test-suite
class-name="org.ofbiz.base.util.test.UtilMiscTests"/>
          <junit-test-suite
class-name="org.ofbiz.base.util.test.UtilObjectTests"/>
          <junit-test-suite
class-name="org.ofbiz.base.util.test.StringUtilTests"/>
          <junit-test-suite
class-name="org.ofbiz.base.util.test.UtilHttpTests"/>



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