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Posted to oak-commits@jackrabbit.apache.org by mr...@apache.org on 2016/09/19 14:12:13 UTC

svn commit: r1761444 - in /jackrabbit/oak/trunk/oak-core/src: main/java/org/apache/jackrabbit/oak/plugins/document/ main/java/org/apache/jackrabbit/oak/plugins/document/util/ test/java/org/apache/jackrabbit/oak/plugins/document/ test/java/org/apache/ja...

Author: mreutegg
Date: Mon Sep 19 14:12:13 2016
New Revision: 1761444

URL: http://svn.apache.org/viewvc?rev=1761444&view=rev
Log:
OAK-4819: Improve revision GC resilience

Modified:
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollector.java
    jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
    jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollectorIT.java
    jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollector.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollector.java?rev=1761444&r1=1761443&r2=1761444&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollector.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollector.java Mon Sep 19 14:12:13 2016
@@ -218,10 +218,17 @@ public class VersionGarbageCollector {
          */
         void possiblyDeleted(NodeDocument doc)
                 throws IOException {
+            // construct an id that also contains
+            // the _modified time of the document
+            String id = doc.getId() + "/" + doc.getModified();
+            // check if id is valid
+            try {
+                Utils.getDepthFromId(id);
+            } catch (IllegalArgumentException e) {
+                log.warn("Invalid GC id {} for document {}", id, doc);
+                return;
+            }
             if (doc.getNodeAtRevision(nodeStore, headRevision, null) == null) {
-                // construct an id that also contains
-                // the _modified time of the document
-                String id = doc.getId() + "/" + doc.getModified();
                 addDocument(id);
                 // Collect id of all previous docs also
                 Iterator<NodeDocument> it = doc.getAllPreviousDocs();

Modified: jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java?rev=1761444&r1=1761443&r2=1761444&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/document/util/Utils.java Mon Sep 19 14:12:13 2016
@@ -314,10 +314,16 @@ public class Utils {
         return id.substring(index + 1);
     }
 
-    public static int getDepthFromId(String id) {
-        int index = id.indexOf(':');
-        assert index > 0 : "Invalid id " + id;
-        return Integer.parseInt(id.substring(0, index));
+    public static int getDepthFromId(String id) throws IllegalArgumentException {
+        try {
+            int index = id.indexOf(':');
+            if (index >= 0) {
+                return Integer.parseInt(id.substring(0, index));
+            }
+        } catch (NumberFormatException e) {
+            // ignore and throw IllegalArgumentException
+        }
+        throw new IllegalArgumentException("Invalid id: " + id);
     }
 
     public static String getPreviousPathFor(String path, Revision r, int height) {

Modified: jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollectorIT.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollectorIT.java?rev=1761444&r1=1761443&r2=1761444&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollectorIT.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/VersionGarbageCollectorIT.java Mon Sep 19 14:12:13 2016
@@ -39,6 +39,7 @@ import static org.apache.jackrabbit.oak.
 import static org.apache.jackrabbit.oak.commons.FixturesHelper.Fixture.DOCUMENT_RDB;
 import static org.apache.jackrabbit.oak.commons.FixturesHelper.getFixtures;
 import static org.apache.jackrabbit.oak.plugins.document.Collection.NODES;
+import static org.apache.jackrabbit.oak.plugins.document.Document.ID;
 import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.NUM_REVS_THRESHOLD;
 import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.PREV_SPLIT_FACTOR;
 import static org.apache.jackrabbit.oak.plugins.document.NodeDocument.SplitDocType;
@@ -92,10 +93,6 @@ public class VersionGarbageCollectorIT {
     @Parameterized.Parameters(name="{0}")
     public static Collection<Object[]> fixtures() throws IOException {
         List<Object[]> fixtures = Lists.newArrayList();
-        if (getFixtures().contains(DOCUMENT_MEM)) {
-            fixtures.add(new Object[] { new DocumentStoreFixture.MemoryFixture() });
-        }
-
         DocumentStoreFixture mongo = new DocumentStoreFixture.MongoFixture();
         if (getFixtures().contains(DOCUMENT_NS) && mongo.isAvailable()) {
             fixtures.add(new Object[] { mongo });
@@ -105,6 +102,10 @@ public class VersionGarbageCollectorIT {
         if (getFixtures().contains(DOCUMENT_RDB) && rdb.isAvailable()) {
             fixtures.add(new Object[] { rdb });
         }
+        if (fixtures.isEmpty() || getFixtures().contains(DOCUMENT_MEM)) {
+            fixtures.add(new Object[] { new DocumentStoreFixture.MemoryFixture() });
+        }
+
         return fixtures;
     }
 
@@ -499,6 +500,37 @@ public class VersionGarbageCollectorIT {
         assertEquals(2, stats.splitDocGCCount);
     }
 
+    // OAK-4819
+    @Test
+    public void malformedId() throws Exception {
+        long maxAge = 1; //hrs
+        long delta = TimeUnit.MINUTES.toMillis(10);
+
+        NodeBuilder builder = store.getRoot().builder();
+        builder.child("foo");
+        store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+        // remove again
+        builder = store.getRoot().builder();
+        builder.child("foo").remove();
+        store.merge(builder, EmptyHook.INSTANCE, CommitInfo.EMPTY);
+
+        store.runBackgroundOperations();
+
+        // add a document with a malformed id
+        String id = "42";
+        UpdateOp op = new UpdateOp(id, true);
+        op.set(ID, id);
+        NodeDocument.setDeletedOnce(op);
+        NodeDocument.setModified(op, store.newRevision());
+        store.getDocumentStore().create(NODES, Lists.newArrayList(op));
+
+        clock.waitUntil(clock.getTime() + HOURS.toMillis(maxAge) + delta);
+
+        // gc must not fail
+        VersionGCStats stats = gc.gc(maxAge, HOURS);
+        assertEquals(1, stats.deletedDocGCCount);
+    }
+
     private void createTestNode(String name) throws CommitFailedException {
         DocumentStore ds = store.getDocumentStore();
         NodeBuilder builder = store.getRoot().builder();

Modified: jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java?rev=1761444&r1=1761443&r2=1761444&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java (original)
+++ jackrabbit/oak/trunk/oak-core/src/test/java/org/apache/jackrabbit/oak/plugins/document/util/UtilsTest.java Mon Sep 19 14:12:13 2016
@@ -240,4 +240,14 @@ public class UtilsTest {
         assertEquals(4, Utils.getMinTimestampForDiff(to, from, minRevs));
 
     }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void getDepthFromIdIllegalArgumentException1() {
+        Utils.getDepthFromId("a:/foo");
+    }
+
+    @Test(expected = IllegalArgumentException.class)
+    public void getDepthFromIdIllegalArgumentException2() {
+        Utils.getDepthFromId("42");
+    }
 }