[ https://issues.apache.org/jira/browse/OAK-7457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Davide Giannella updated OAK-7457: ---------------------------------- Fix Version/s: (was: 1.12.0) > "Covariant return type change detected" warnings with java10 > ------------------------------------------------------------ > > Key: OAK-7457 > URL: https://issues.apache.org/jira/browse/OAK-7457 > Project: Jackrabbit Oak > Issue Type: Improvement > Components: documentmk, segment-tar > Reporter: Julian Reschke > Assignee: Julian Reschke > Priority: Major > Fix For: 1.14.0 > > > We have quite a few warnings of type "Covariant return type change detected": > {noformat} > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\broadcast\TCPBroadcaster.java:327: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.flip() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.flip() > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\broadcast\UDPBroadcaster.java:135: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\broadcast\UDPBroadcaster.java:138: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\broadcast\TCPBroadcaster.java:226: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\broadcast\InMemoryBroadcaster.java:35: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\PersistentCache.java:519: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\PersistentCache.java:522: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-store-document\src\main\java\org\apache\jackrabbit\oak\plugins\document\persistentCache\PersistentCache.java:535: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\data\SegmentDataV12.java:196: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\data\SegmentDataV12.java:197: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\data\SegmentDataUtils.java:57: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\data\SegmentDataUtils.java:58: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexWriter.java:110: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV1.java:62: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV1.java:64: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV1.java:72: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV1.java:101: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV2.java:62: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV2.java:64: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV2.java:72: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\index\IndexLoaderV2.java:101: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoader.java:71: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoader.java:73: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.rewind() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.rewind() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV1.java:61: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV1.java:63: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV1.java:82: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV1.java:84: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV2.java:61: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV2.java:63: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV2.java:82: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\binaries\BinaryReferencesIndexLoaderV2.java:84: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\GraphLoader.java:78: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.mark() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.mark() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\GraphLoader.java:80: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.reset() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.reset() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\SegmentTarWriter.java:142: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.rewind() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.rewind() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\FileAccess.java:72: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\FileAccess.java:73: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.limit(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.limit(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\tar\SegmentTarManager.java:209: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\file\FileStore.java:489: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.rewind() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.rewind() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\memory\MemoryStore.java:118: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.rewind() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.rewind() > [INFO] > C:\projects\apache\oak\trunk\oak-segment-tar\src\main\java\org\apache\jackrabbit\oak\segment\SegmentStream.java:156: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.position(int) has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.position(int) > [INFO] > C:\projects\apache\oak\trunk\oak-segment-azure\src\main\java\org\apache\jackrabbit\oak\segment\azure\AzureUtilities.java:69: > Covariant return type change detected: java.nio.Buffer > java.nio.ByteBuffer.rewind() has been changed to java.nio.ByteBuffer > java.nio.ByteBuffer.rewind() > {noformat} > I believe these will cause problems if we compile with java 10 but run on an > earlier VM. > See also https://jira.mongodb.org/browse/JAVA-2559 -- This message was sent by Atlassian JIRA (v7.6.3#76005)