Add available error information to UnknownHostException (dnsjava#154)

ibauersachs · web-flow · commit 2d69532e6e56 · 2021-02-03T10:08:39.000+01:00
* Add available error information to UnknownHostException Closes dnsjava#149
diff --git a/src/main/java/org/xbill/DNS/Address.java b/src/main/java/org/xbill/DNS/Address.java
@@ -267,7 +267,8 @@ private static Record[] lookupHostName(String name, boolean all) throws UnknownH
             return aaaa;
           }
         }
-        throw new UnknownHostException("<" + name + "> could not be resolved");
+        throw new UnknownHostException(
+            "<" + name + "> could not be resolved: " + lookup.getErrorString());
       }
       if (!all) {
         return a;
@@ -281,7 +282,7 @@ private static Record[] lookupHostName(String name, boolean all) throws UnknownH
       System.arraycopy(aaaa, 0, merged, a.length, aaaa.length);
       return merged;
     } catch (TextParseException e) {
-      throw new UnknownHostException("<" + name + "> is invalid");
+      throw new UnknownHostException("<" + name + "> is invalid: " + e.getMessage());
     }
   }
 

Original file line number	Diff line number	Diff line change
`@@ -267,7 +267,8 @@ private static Record[] lookupHostName(String name, boolean all) throws UnknownH`
`267`	`267`	`return aaaa;`
`268`	`268`	`}`
`269`	`269`	`}`
`270`		`- throw new UnknownHostException("<" + name + "> could not be resolved");`
	`270`	`+ throw new UnknownHostException(`
	`271`	`+ "<" + name + "> could not be resolved: " + lookup.getErrorString());`
`271`	`272`	`}`
`272`	`273`	`if (!all) {`
`273`	`274`	`return a;`
`@@ -281,7 +282,7 @@ private static Record[] lookupHostName(String name, boolean all) throws UnknownH`
`281`	`282`	`System.arraycopy(aaaa, 0, merged, a.length, aaaa.length);`
`282`	`283`	`return merged;`
`283`	`284`	`} catch (TextParseException e) {`
`284`		`- throw new UnknownHostException("<" + name + "> is invalid");`
	`285`	`+ throw new UnknownHostException("<" + name + "> is invalid: " + e.getMessage());`
`285`	`286`	`}`
`286`	`287`	`}`
`287`	`288`