alibaba/nacos · error · NacosLockException

expire error.

Error message

expire error.

What it means

Error "expire error." thrown in alibaba/nacos.

Source

Thrown at lock/src/main/java/com/alibaba/nacos/lock/service/impl/LockOperationServiceImpl.java:533

        LockInfo lockInfo = new LockInfo();
        lockInfo.setKey(new LockKey(lockInstance.getLockType(), lockInstance.getKey()));
        lockInfo.setOwner(lockInstance.getOwner());
        request.setLockInfo(lockInfo);
        WriteRequest writeRequest = WriteRequest.newBuilder().setGroup(group())
            .setData(ByteString.copyFrom(serializer.serialize(request)))
            .setOperation(LockOperationEnum.EXPIRE.name()).build();
        try {
            Response response = protocol.write(writeRequest);
            if (response.getSuccess()) {
                return serializer.deserialize(response.getData().toByteArray());
            }
            throw new NacosLockException(response.getErrMsg());
        } catch (NacosLockException e) {
            LOGGER.error("key: {}, lockType:{} expire fail, errorMsg: {}", lockInstance.getKey(),
                lockInstance.getLockType(), e.getMessage());
            throw e;
        } catch (Exception e) {
            throw new NacosLockException("expire error.", e);
        }
    }
    
    private void notifyFirstWaiter(LockKey lockKey, AbstractAtomicLock atomicLock) {
        WaitEntry entry = atomicLock.peekFirstWaiter();
        if (entry == null) {
            return;
        }
        String targetConnectionId = entry.getConnectionId();
        LockNotificationRequest notification = LockNotificationRequest.available(
            lockKey.getKey(), lockKey.getLockType(), entry.getOwner());
        notificationExecutor.submit(() -> {
            try {
                rpcPushService.pushWithoutAck(targetConnectionId, notification);
            } catch (Exception e) {
                LOGGER.warn("Lock: failed to notify waiter, key={}, connectionId={}",
                    lockKey, targetConnectionId, e);
            }

View on GitHub (pinned to 9b989acdf1)

Solutions

1. Inspect the server logs for the underlying cause, fix it, and retry the operation.

When it happens

Trigger: Thrown at lock/src/main/java/com/alibaba/nacos/lock/service/impl/LockOperationServiceImpl.java:533 when the library encounters an invalid state.

Common situations: Expiring a lock failed on the server.

AI-assisted analysis of alibaba/nacos@9b989acdf1 (2026-08-14). Data as JSON: /api/errors/e81990adc12ee3eb. Report an issue: GitHub.