fix #730 - memory check throws exception if fails

fix exception handling, do not catch ProvisionException

common/src/main/java/io/druid/common/utils/VMUtils.java

@@ -42,10 +42,10 @@ public class VMUtils
       throw new UnsupportedOperationException("VM.maxDirectMemory doesn't exist, cannot do memory check.", e);
     }
     catch (InvocationTargetException e) {
-      throw new RuntimeException("static method shouldn't throw this", e);
+      throw new UnsupportedOperationException("static method shouldn't throw this", e);
     }
     catch (IllegalAccessException e) {
-      throw new RuntimeException("public method, shouldn't throw this", e);
+      throw new UnsupportedOperationException("public method, shouldn't throw this", e);
     }
   }
 }

server/src/main/java/io/druid/guice/DruidProcessingModule.java

@@ -98,9 +98,6 @@ public class DruidProcessingModule implements Module
     } catch(UnsupportedOperationException e) {
       log.info(e.getMessage());
     }
-    catch(RuntimeException e) {
-      log.warn(e, e.getMessage());
-    }
 
     return new IntermediateProcessingBufferPool(config.intermediateComputeSizeBytes());
   }

server/src/test/java/io/druid/guice/DruidProcessingModuleTest.java

+/*
+ * Druid - a distributed column store.
+ * Copyright (C) 2012, 2013  Metamarkets Group Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+package io.druid.guice;
+
+import com.google.inject.ProvisionException;
+import io.druid.query.DruidProcessingConfig;
+import org.junit.Test;
+
+public class DruidProcessingModuleTest
+{
+
+  @Test(expected=ProvisionException.class)
+  public void testMemoryCheckThrowsException() {
+    DruidProcessingModule module = new DruidProcessingModule();
+    module.getIntermediateResultsPool(new DruidProcessingConfig()
+    {
+      @Override
+      public String getFormatString()
+      {
+        return "test";
+      }
+
+      @Override
+      public int intermediateComputeSizeBytes()
+      {
+        return Integer.MAX_VALUE;
+      }
+    });
+  }
+
+}