Remove empty catch statements

src/java.base/share/classes/java/net/InetAddress.java

@@ -1068,7 +1068,6 @@ public InetAddress[] get() {
                     inetAddresses = getAddressesFromNameService(host);
                     // don't update the "expirySet", will do that later
                     staleTime = refreshTime + InetAddressCachePolicy.getStale() * 1000_000_000L;
-                } catch (UnknownHostException ignore) {
                 } finally {
                     lookupLock.unlock();
                 }

src/java.base/share/classes/java/util/concurrent/ThreadPoolExecutor.java

@@ -805,7 +805,6 @@ private void interruptIdleWorkers(boolean onlyOne) {
                 if (!t.isInterrupted() && w.tryLock()) {
                     try {
                         t.interrupt();
-                    } catch (SecurityException ignore) {
                     } finally {
                         w.unlock();
                     }

src/java.base/share/classes/sun/net/www/http/HttpCapture.java

@@ -97,8 +97,6 @@ public String run() {
                     }
                     line = in.readLine();
                 }
-            } catch (IOException ioe) {
-
             } finally {
                 try {
                     in.close();

src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java

@@ -415,7 +415,6 @@ private void skipPastImage(int imageIndex) {
         try {
             gotoImage(imageIndex);
             skipImage();
-        } catch (IOException | IndexOutOfBoundsException e) {
         } finally {
             cbLock.unlock();
         }

src/java.desktop/share/classes/com/sun/imageio/stream/CloseableDisposerRecord.java

@@ -45,7 +45,6 @@ public synchronized void dispose() {
         if (closeable != null) {
             try {
                 closeable.close();
-            } catch (IOException e) {
             } finally {
                 closeable = null;
             }

src/java.desktop/share/classes/com/sun/imageio/stream/StreamFinalizer.java

@@ -64,7 +64,6 @@ public StreamFinalizer(ImageInputStream stream) {
     protected void finalize() throws Throwable {
         try {
             stream.close();
-        } catch (IOException e) {
         } finally {
             stream = null;
             super.finalize();

src/java.desktop/share/classes/javax/imageio/stream/FileCacheImageInputStream.java

@@ -286,7 +286,6 @@ public synchronized void dispose() {
             if (cache != null) {
                 try {
                     cache.close();
-                } catch (IOException e) {
                 } finally {
                     cache = null;
                 }

src/java.desktop/share/classes/javax/swing/TimerQueue.java

@@ -186,7 +186,6 @@ public void run() {
 
                         // Allow run other threads on systems without kernel threads
                         timer.getLock().newCondition().awaitNanos(1);
-                    } catch (SecurityException ignore) {
                     } finally {
                         timer.getLock().unlock();
                     }

src/java.desktop/share/classes/javax/swing/plaf/basic/BasicTextUI.java

@@ -1256,7 +1256,6 @@ public void damageRange(JTextComponent t, int p0, int p1,
                     Rectangle rect = (toDamage instanceof Rectangle) ?
                             (Rectangle)toDamage : toDamage.getBounds();
                     editor.repaint(rect.x, rect.y, rect.width, rect.height);
-                } catch (BadLocationException e) {
                 } finally {
                     if (doc instanceof AbstractDocument) {
                         ((AbstractDocument)doc).readUnlock();

src/java.desktop/share/classes/javax/swing/text/JTextComponent.java

@@ -2844,7 +2844,6 @@ public Rectangle getCharacterBounds(int i) {
                      (Rectangle)bounds : bounds.getBounds();
 
                 }
-            } catch (BadLocationException e) {
             } finally {
                 if (model instanceof AbstractDocument) {
                     ((AbstractDocument)model).readUnlock();
@@ -3042,7 +3041,6 @@ private String getAtIndex(int part, int index, int direction) {
                 default:
                     break;
                 }
-            } catch (BadLocationException e) {
             } finally {
                 if (model instanceof AbstractDocument) {
                     ((AbstractDocument)model).readUnlock();
@@ -3365,9 +3363,6 @@ private AccessibleTextSequence getSequenceAtIndex(int part,
                             model.getText(index + direction, 1));
                     }
 
-                } catch (BadLocationException e) {
-                    // we are intentionally silent; our contract says we return
-                    // null if there is any failure in this method
                 } finally {
                     if (model instanceof AbstractDocument) {
                         ((AbstractDocument)model).readUnlock();
@@ -3725,7 +3720,6 @@ public Rectangle getTextBounds(int startIndex, int endIndex) {
                      (Rectangle)bounds : bounds.getBounds();
 
                 }
-            } catch (BadLocationException e) {
             } finally {
                 if (model instanceof AbstractDocument) {
                     ((AbstractDocument)model).readUnlock();

src/java.desktop/share/classes/javax/swing/text/html/AccessibleHTML.java

@@ -1061,7 +1061,6 @@ private String getAtIndex(int part, int index, int direction) {
                     default:
                         break;
                     }
-                } catch (BadLocationException e) {
                 } finally {
                     if (model instanceof AbstractDocument) {
                         ((AbstractDocument)model).readUnlock();

src/java.desktop/share/classes/javax/swing/text/html/HTMLDocument.java

@@ -2697,10 +2697,7 @@ private void adjustEndElement() {
                                                this, event));
                     }
                 }
-            }
-            catch (BadLocationException ble) {
-            }
-            finally {
+            } finally {
                 releaseLock();
             }
         }

src/java.desktop/share/classes/sun/awt/datatransfer/SunClipboard.java

@@ -360,7 +360,6 @@ public synchronized void addFlavorListener(FlavorListener listener) {
             try {
                 openClipboard(null);
                 currentFormats = getClipboardFormats();
-            } catch (final IllegalStateException ignored) {
             } finally {
                 closeClipboard();
             }

src/java.desktop/share/classes/sun/font/TrueTypeFont.java

@@ -138,7 +138,6 @@ public synchronized void dispose() {
                 if (channel != null) {
                     channel.close();
                 }
-            } catch (IOException e) {
             } finally {
                 channel = null;
             }

src/java.desktop/share/classes/sun/print/PSStreamPrintJob.java

@@ -156,15 +156,13 @@ private void closeDataStreams() {
         if (instream != null) {
             try {
                 instream.close();
-            } catch (IOException e) {
             } finally {
                 instream = null;
             }
         }
         else if (reader != null) {
             try {
                 reader.close();
-            } catch (IOException e) {
             } finally {
                 reader = null;
             }

src/java.desktop/unix/classes/sun/print/UnixPrintJob.java

@@ -197,15 +197,13 @@ private void closeDataStreams() {
         if (instream != null) {
             try {
                 instream.close();
-            } catch (IOException e) {
             } finally {
                 instream = null;
             }
         }
         else if (reader != null) {
             try {
                 reader.close();
-            } catch (IOException e) {
             } finally {
                 reader = null;
             }

src/java.desktop/windows/classes/sun/print/Win32PrintJob.java

@@ -177,15 +177,13 @@ private void closeDataStreams() {
         if (instream != null) {
             try {
                 instream.close();
-            } catch (IOException e) {
             } finally {
                 instream = null;
             }
         }
         else if (reader != null) {
             try {
                 reader.close();
-            } catch (IOException e) {
             } finally {
                 reader = null;
             }

src/java.net.http/share/classes/jdk/internal/net/http/HttpClientImpl.java

@@ -1235,7 +1235,6 @@ private void shutdown() {
                 } finally {
                     lock.unlock();
                 }
-            } catch (IOException ignored) {
             } finally {
                 owner.stop();
             }

src/java.rmi/share/classes/sun/rmi/transport/tcp/TCPEndpoint.java

@@ -781,7 +781,6 @@ public void run()  {
 
             try {
                 name = InetAddress.getByName(hostAddress).getHostName();
-            } catch (java.net.UnknownHostException e) {
             } finally {
                 synchronized(this) {
                     reverseLookup = name;

src/java.xml/share/classes/com/sun/org/apache/xerces/internal/dom/DOMNormalizer.java

@@ -719,11 +719,7 @@ private void processDTD(String xmlVersion, String schemaLocation) {
             loader.setErrorHandler(fConfiguration.getErrorHandler());
             loader.loadGrammarWithContext((XMLDTDValidator) fValidationHandler, rootName,
                     publicId, systemId, baseSystemId, internalSubset);
-        }
-        // REVISIT: Should probably report this exception to the error handler.
-        catch (IOException e) {
-        }
-        finally {
+        } finally {
             if (loader != null) {
                 CoreDOMImplementationImpl.singleton.releaseDTDLoader(xmlVersion, loader);
             }

src/jdk.httpserver/share/classes/sun/net/httpserver/ChunkedOutputStream.java

@@ -147,8 +147,6 @@ public void close () throws IOException {
                 is.close();
             }
         /* some clients close the connection before empty chunk is sent */
-        } catch (IOException e) {
-
         } finally {
             closed = true;
         }

src/jdk.jdi/share/classes/com/sun/tools/example/debug/tty/TTY.java

@@ -742,7 +742,6 @@ boolean readCommandFile(File f) {
                     }
                 }
             }
-        } catch (IOException e) {
         } finally {
             if (inFile != null) {
                 try {

test/hotspot/jtreg/compiler/gcbarriers/TestMembarDependencies.java

@@ -72,8 +72,6 @@ public void test1(TestMembarDependencies obj) {
             // Method call defines memory state that is then
             // used by subsequent instructions/blocks (see below).
             test_m1();
-        } catch (Exception e) {
-
         } finally {
             // Oop write to field emits a GC post-barrier with a MembarVolatile
             // which has a wide memory effect (kills all memory). This creates an

test/hotspot/jtreg/vmTestbase/nsk/jvmti/ResourceExhausted/resexhausted002.java

@@ -58,7 +58,6 @@ public static int run(String args[], PrintStream out) {
             System.out.println("Can't reproduce OOME due to a limit on iterations/execution time. Test was useless.");
             throw new SkippedException("Test did not get an OutOfMemory error");
 
-        } catch (OutOfMemoryError e) {
         } finally {
             stress.finish();
         }

test/hotspot/jtreg/vmTestbase/nsk/monitoring/ThreadMXBean/MXBeanTestThread.java

@@ -173,7 +173,6 @@ protected void allocateStress() {
                     allocatedList = new ArrayList<Object>();
                 }
             }
-        } catch (OutOfMemoryError e) {
         } finally {
             stressAllocatedBytes += actuallyAllocated;
         }

test/jdk/java/awt/FullScreen/MultimonFullscreenTest/MultimonDeadlockTest.java

@@ -55,7 +55,6 @@ public static void main(String argv[]) {
                 }
             });
             Thread.sleep(5000);
-        } catch (InterruptedException | InvocationTargetException ex) {
         } finally {
             for (int i = 0; i < devices.length; i++) {
                 devices[i].setFullScreenWindow(null);

test/jdk/java/awt/print/PrinterJob/PrintAWTImage.java

@@ -67,7 +67,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(this);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintBadImage.java

@@ -43,7 +43,6 @@ public static void main(String args[]) {
           pj.setPrintable(pbi);
           try {
                pj.print();
-         } catch (PrinterException pe) {
          } finally {
             System.err.println("PRINT RETURNED");
          }

test/jdk/java/awt/print/PrinterJob/PrintCompoundString.java

@@ -86,7 +86,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintNullString.java

@@ -88,7 +88,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintParenString.java

@@ -86,7 +86,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintRotatedText.java

@@ -87,7 +87,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPageable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintTranslatedFont.java

@@ -88,7 +88,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/awt/print/PrinterJob/PrintVolatileImage.java

@@ -78,7 +78,6 @@ public void actionPerformed(ActionEvent e) {
            pj.setPrintable(this);
            try {
                pj.print();
-           } catch (PrinterException pe) {
            } finally {
                System.err.println("PRINT RETURNED");
            }

test/jdk/java/awt/print/PrinterJob/raster/RasterTest.java

@@ -89,7 +89,6 @@ public void actionPerformed(ActionEvent e) {
        pj.setPrintable(c);
        try {
             pj.print();
-      } catch (PrinterException pe) {
       } finally {
          System.err.println("PRINT RETURNED");
       }

test/jdk/java/io/File/createTempFile/TargetDirectory.java

@@ -80,7 +80,6 @@ public static void main(String[] args) throws Exception {
         try {
             File.createTempFile("readonly", null, target);
             throw new RuntimeException("Exception not thrown for read-only target directory");
-        } catch (IOException expected) {
         } finally {
             target.delete();
         }
@@ -97,7 +96,6 @@ public static void main(String[] args) throws Exception {
         try {
             File.createTempFile("file", null, target);
             throw new RuntimeException("Exception not thrown for file target");
-        } catch (IOException expected) {
         } finally {
             target.delete();
         }

test/jdk/java/io/RandomAccessFile/Seek.java

@@ -43,7 +43,6 @@ public static void main(String argv[]) throws Exception
             raf.seek(-10);
             throw new Exception
                 ("Should have thrown an IOException when seek offset is < 0");
-        } catch (IOException e) {
         } finally {
             raf.close();
         }

test/jdk/java/io/Serializable/duplicateSerialFields/Test.java

@@ -88,7 +88,6 @@ public static void main(String[] args) throws Exception {
             oin.readObject();
             throw new Error(
                 "read of A should fail with InvalidClassException");
-        } catch (InvalidClassException e) {
         } finally {
             in.close();
         }
@@ -99,7 +98,6 @@ public static void main(String[] args) throws Exception {
             oin.readObject();
             throw new Error(
                 "read of B should fail with InvalidClassException");
-        } catch (InvalidClassException e) {
         } finally {
             in.close();
         }

test/jdk/java/io/Serializable/fieldTypeString/Read.java

@@ -65,7 +65,6 @@ public static void main(String[] args) throws Exception {
             ObjectInputStream oin = new ObjectInputStream(in);
             oin.readObject();
             throw new Error();
-        } catch (InvalidClassException ex) {
         } finally {
             in.close();
         }

test/jdk/java/net/URLConnection/ContentHandlers/ContentHandlersTest.java

@@ -348,7 +348,6 @@ private static void copy(Reader src, Writer dst) throws IOException {
         } finally {
             try {
                 src.close();
-            } catch (IOException ignored1) {
             } finally {
                 try {
                     dst.close();