I am unsing the 3.6.3 version of liquibase on an Oracle database.
When i use the index pre condition Liquibase is freezing and the freez can take more than one hour..
Thread [main] (Suspended)
owns: T4CConnection (id=201)
SocketInputStream.socketRead0(FileDescriptor, byte[], int, int, int) line: not available [native method]
SocketInputStream.socketRead(FileDescriptor, byte[], int, int, int) line: 116
SocketInputStream.read(byte[], int, int, int) line: 171
SocketInputStream.read(byte[], int, int) line: 141
DataPacket(Packet).receive() line: 311
DataPacket.receive() line: 105
NetInputStream.getNextPacket() line: 305
NetInputStream.read(byte[], int, int) line: 249
NetInputStream.read(byte[]) line: 171
NetInputStream.read() line: 89
T4CSocketInputStreamWrapper.readNextPacket() line: 123
T4CSocketInputStreamWrapper.read() line: 79
T4CMAREngineStream.unmarshalUB1() line: 426
T4C8Oall(T4CTTIfun).receive() line: 390
T4C8Oall(T4CTTIfun).doRPC() line: 249
T4C8Oall.doOALL(boolean, boolean, boolean, boolean, boolean, OracleStatement$SqlKind, int, byte[], int, Accessor[], int, Accessor[], int, byte[], char[], short[], int, DBConversion, byte[], InputStream[][], byte[][][], OracleTypeADT[][], OracleStatement, byte[], char[], short[], T4CTTIoac[], int[], int[], int[], NTFDCNRegistration) line: 566
T4CStatement.doOall8(boolean, boolean, boolean, boolean, boolean, int) line: 202
T4CStatement.doOall8(boolean, boolean, boolean, boolean, boolean) line: 45
T4CStatement.executeForRows(boolean) line: 933
T4CStatement(OracleStatement).executeMaybeDescribe() line: 929
T4CStatement(OracleStatement).doExecuteWithTimeout() line: 1034
T4CStatement(OracleStatement).executeQuery(String) line: 1244
OracleStatementWrapper.executeQuery(String) line: 420
JdbcDatabaseSnapshot$CachingDatabaseMetaData$2(ResultSetCache$ResultSetExtractor).executeAndExtract(String, Database, boolean) line: 255
JdbcDatabaseSnapshot$CachingDatabaseMetaData$2(ResultSetCache$ResultSetExtractor).executeAndExtract(String, Database) line: 242
JdbcDatabaseSnapshot$CachingDatabaseMetaData$2.fastFetch() line: 387
JdbcDatabaseSnapshot$CachingDatabaseMetaData$2.bulkFetch() line: 490
ResultSetCache.get(ResultSetExtractor) line: 59
JdbcDatabaseSnapshot$CachingDatabaseMetaData.getIndexInfo(String, String, String, String) line: 318
IndexSnapshotGenerator.snapshotObject(DatabaseObject, DatabaseSnapshot) line: 161
IndexSnapshotGenerator(JdbcSnapshotGenerator).snapshot(DatabaseObject, DatabaseSnapshot, SnapshotGeneratorChain) line: 66
SnapshotGeneratorChain.snapshot(T, DatabaseSnapshot) line: 49
ColumnSnapshotGeneratorOracle(JdbcSnapshotGenerator).snapshot(DatabaseObject, DatabaseSnapshot, SnapshotGeneratorChain) line: 69
SnapshotGeneratorChain.snapshot(T, DatabaseSnapshot) line: 49
JdbcDatabaseSnapshot(DatabaseSnapshot).include(T) line: 286
JdbcDatabaseSnapshot(DatabaseSnapshot).replaceObject(Object) line: 407
JdbcDatabaseSnapshot(DatabaseSnapshot).includeNestedObjects(DatabaseObject) line: 334
JdbcDatabaseSnapshot(DatabaseSnapshot).include(T) line: 309
JdbcDatabaseSnapshot(DatabaseSnapshot).replaceObject(Object) line: 407
JdbcDatabaseSnapshot(DatabaseSnapshot).replaceObject(Object) line: 429
JdbcDatabaseSnapshot(DatabaseSnapshot).includeNestedObjects(DatabaseObject) line: 334
JdbcDatabaseSnapshot(DatabaseSnapshot).include(T) line: 309
JdbcDatabaseSnapshot(DatabaseSnapshot).init(DatabaseObject[]) line: 102
JdbcDatabaseSnapshot(DatabaseSnapshot).<init>(DatabaseObject[], Database, SnapshotControl) line: 59
JdbcDatabaseSnapshot.<init>(DatabaseObject[], Database, SnapshotControl) line: 38
SnapshotGeneratorFactory.createSnapshot(DatabaseObject[], Database, SnapshotControl) line: 217
SnapshotGeneratorFactory.createSnapshot(CatalogAndSchema[], Database, SnapshotControl) line: 190
SnapshotGeneratorFactory.createSnapshot(CatalogAndSchema, Database, SnapshotControl) line: 157
SnapshotGeneratorFactory.has(DatabaseObject, Database) line: 144
IndexExistsPrecondition.check(Database, DatabaseChangeLog, ChangeSet, ChangeExecListener) line: 103
NotPrecondition.check(Database, DatabaseChangeLog, ChangeSet, ChangeExecListener) line: 40
PreconditionContainer(AndPrecondition).check(Database, DatabaseChangeLog, ChangeSet, ChangeExecListener) line: 45
PreconditionContainer.check(Database, DatabaseChangeLog, ChangeSet, ChangeExecListener) line: 215
ChangeSet.execute(DatabaseChangeLog, ChangeExecListener, Database) line: 516
UpdateVisitor.visit(ChangeSet, DatabaseChangeLog, Database, Set<ChangeSetFilterResult>) line: 53
ChangeLogIterator.run(ChangeSetVisitor, RuntimeEnvironment) line: 83
Liquibase.update(Contexts, LabelExpression, boolean) line: 202
Liquibase.update(Contexts, LabelExpression) line: 179
Liquibase.update(String, Contexts, LabelExpression) line: 334
LiquibaseUpdate.doUpdate(Liquibase) line: 33
LiquibaseUpdate(AbstractLiquibaseUpdateMojo).performLiquibaseTask(Liquibase) line: 30
LiquibaseUpdate(AbstractLiquibaseMojo).execute() line: 366
DefaultBuildPluginManager.executeMojo(MavenSession, MojoExecution) line: 134
MojoExecutor.execute(MavenSession, MojoExecution, ProjectIndex, DependencyContext) line: 207
MojoExecutor.execute(MavenSession, MojoExecution, ProjectIndex, DependencyContext, PhaseRecorder) line: 153
MojoExecutor.execute(MavenSession, List<MojoExecution>, ProjectIndex) line: 145
LifecycleModuleBuilder.buildProject(MavenSession, MavenSession, ReactorContext, MavenProject, TaskSegment) line: 116
LifecycleModuleBuilder.buildProject(MavenSession, ReactorContext, MavenProject, TaskSegment) line: 80
SingleThreadedBuilder.build(MavenSession, ReactorContext, ProjectBuildList, List<TaskSegment>, ReactorBuildStatus) line: 51
LifecycleStarter.execute(MavenSession) line: 128
DefaultMaven.doExecute(MavenExecutionRequest, MavenSession, MavenExecutionResult, DefaultRepositorySystemSession) line: 307
DefaultMaven.doExecute(MavenExecutionRequest) line: 193
DefaultMaven.execute(MavenExecutionRequest) line: 106
MavenCli.execute(CliRequest) line: 863
MavenCli.doMain(CliRequest) line: 288
MavenCli.main(String[], ClassWorld) line: 199
NativeMethodAccessorImpl.invoke0(Method, Object, Object[]) line: not available [native method]
NativeMethodAccessorImpl.invoke(Object, Object[]) line: 62
DelegatingMethodAccessorImpl.invoke(Object, Object[]) line: 43
Method.invoke(Object, Object...) line: 498
Launcher.launchEnhanced(String[]) line: 289
Launcher.launch(String[]) line: 229
Launcher.mainWithExitCode(String[]) line: 415
Launcher.main(String[]) line: 356
Thanks.
Abdel.