eolivelli commented on a change in pull request #2257: 2178: IOException Should 
Be Thrown When Journal Is Corrupted
URL: https://github.com/apache/bookkeeper/pull/2257#discussion_r380837875
 
 

 ##########
 File path: 
bookkeeper-server/src/test/java/org/apache/bookkeeper/bookie/BookieJournalTest.java
 ##########
 @@ -794,4 +801,53 @@ private void testPartialFileInfoPostV3Journal(boolean 
truncateMasterKey)
             // correct behaviour
         }
     }
+
+    @Test(expected = IOException.class)
+    public void testJournalScanIOException() throws Exception {
+        File journalDir = createTempDir("bookie", "journal");
+        Bookie.checkDirectoryStructure(Bookie.getCurrentDirectory(journalDir));
+
+        File ledgerDir = createTempDir("bookie", "ledger");
+        Bookie.checkDirectoryStructure(Bookie.getCurrentDirectory(ledgerDir));
+
+        writeV4Journal(Bookie.getCurrentDirectory(journalDir), 100, 
"testPasswd".getBytes());
+
+        ServerConfiguration conf = 
TestBKConfiguration.newServerConfiguration();
+        conf.setJournalDirName(journalDir.getPath())
+                .setLedgerDirNames(new String[] { ledgerDir.getPath() })
+                .setMetadataServiceUri(null);
+
+        Journal.JournalScanner journalScanner = new DummyJournalScan();
+        FileChannel fileChannel = PowerMockito.mock(FileChannel.class);
+
+        PowerMockito.when(fileChannel.position(Mockito.anyLong()))
+                .thenThrow(new IOException());
+
+        PowerMockito.mockStatic(JournalChannel.class);
+        
PowerMockito.when(JournalChannel.openFileChannel(Mockito.any(RandomAccessFile.class))).thenReturn(fileChannel);
+
+        Bookie b = null;
+
+        try {
+            b = new Bookie(conf);
+        } finally {
 
 Review comment:
   you should shut down the bookie after the " for (Journal journal : 
b.journals) {" loop

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