Getting NPE when accessing tags

[kofemann]

dCache 11.2.3

14 Apr 2026 10:44:22 [OncRpcSvc (27)] [] Unhandled exception:java.lang.NullPointerException: Cannot invoke "java.io.InputStream.readNBytes(byte[], int, int)" because "in" is null
	at org.dcache.chimera.FsSqlDriver.lambda$getTag$68(FsSqlDriver.java:1510)
	at org.springframework.jdbc.core.JdbcTemplate$1.doInPreparedStatement(JdbcTemplate.java:723)
	at org.springframework.jdbc.core.JdbcTemplate.execute(JdbcTemplate.java:648)
	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:713)
	at org.springframework.jdbc.core.JdbcTemplate.query(JdbcTemplate.java:744)
	at org.dcache.chimera.FsSqlDriver.getTag(FsSqlDriver.java:1497)
	at org.dcache.chimera.JdbcFs.getTag(JdbcFs.java:1366)
	at org.dcache.chimera.nfsv41.door.ChimeraVfs.getXattr(ChimeraVfs.java:727)
	at org.dcache.nfs.vfs.ForwardingFileSystem.getXattr(ForwardingFileSystem.java:187)
	at org.dcache.nfs.vfs.ForwardingFileSystem.getXattr(ForwardingFileSystem.java:187)
	at org.dcache.nfs.vfs.PseudoFs.getXattr(PseudoFs.java:390)
	at org.dcache.nfs.v4.OperationGETXATTR.process(OperationGETXATTR.java:45)
	at org.dcache.chimera.nfsv41.door.DoorOperationFactory$2.lambda$process$0(DoorOperationFactory.java:235)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
	at java.base/javax.security.auth.Subject.doAs(Subject.java:453)
	at org.dcache.chimera.nfsv41.door.DoorOperationFactory$2.process(DoorOperationFactory.java:212)
	at org.dcache.nfs.v4.AbstractOperationExecutor.execute(AbstractOperationExecutor.java:58)
	at org.dcache.chimera.nfsv41.common.StatsDecoratedOperationExecutor.execute(StatsDecoratedOperationExecutor.java:56)
	at org.dcache.nfs.v4.NFSServerV41.NFSPROC4_COMPOUND_4(NFSServerV41.java:198)
	at org.dcache.nfs.v4.xdr.nfs4_prot_NFS4_PROGRAM_ServerStub.dispatchOncRpcCall(nfs4_prot_NFS4_PROGRAM_ServerStub.java:48)
	at org.dcache.oncrpc4j.rpc.RpcDispatcher$1.lambda$run$0(RpcDispatcher.java:112)
	at java.base/java.security.AccessController.doPrivileged(AccessController.java:714)
	at java.base/javax.security.auth.Subject.doAs(Subject.java:525)
	at org.dcache.oncrpc4j.rpc.RpcDispatcher$1.run(RpcDispatcher.java:111)
	at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144)
	at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642)
	at java.base/java.lang.Thread.run(Thread.java:1583)