Examples with ZkNoNodeException org.I0Itec.zkclient.exception.ZkNoNodeException used on opensource projects

Example 26 with ZkNoNodeException

use of org.I0Itec.zkclient.exception.ZkNoNodeException in project otter by alibaba.

the class SystemArbitrateEvent method switchWarmup.

/**
     * 手工触发一次主备切换
     */
public void switchWarmup(Long channelId, Long pipelineId) {
    String path = ManagePathUtils.getMainStem(channelId, pipelineId);
    try {
        while (true) {
            Stat stat = new Stat();
            byte[] bytes = zookeeper.readData(path, stat);
            MainStemEventData mainStemData = JsonUtils.unmarshalFromByte(bytes, MainStemEventData.class);
            mainStemData.setActive(false);
            try {
                zookeeper.writeData(path, JsonUtils.marshalToByte(mainStemData), stat.getVersion());
                logger.warn("relase channelId[{}],pipelineId[{}] mainstem successed! ", channelId, pipelineId);
                break;
            } catch (ZkBadVersionException e) {
            // ignore , retrying
            }
        }
    } catch (ZkNoNodeException e) {
    // ignore
    } catch (ZkException e) {
        throw new ArbitrateException("releaseMainStem", pipelineId.toString(), e);
    }
}

Example 27 with ZkNoNodeException

use of org.I0Itec.zkclient.exception.ZkNoNodeException in project otter by alibaba.

the class MainStemMonitorTest method switchWarmup.

/**
     * 手工触发一次主备切换
     */
private void switchWarmup(Long channelId, Long pipelineId) {
    String path = ManagePathUtils.getMainStem(channelId, pipelineId);
    try {
        while (true) {
            Stat stat = new Stat();
            byte[] bytes = zookeeper.readData(path, stat);
            MainStemEventData mainStemData = JsonUtils.unmarshalFromByte(bytes, MainStemEventData.class);
            mainStemData.setActive(false);
            try {
                zookeeper.writeData(path, JsonUtils.marshalToByte(mainStemData), stat.getVersion());
                break;
            } catch (ZkBadVersionException e) {
            // ignore , retrying
            }
        }
    } catch (ZkNoNodeException e) {
    // ignore
    } catch (ZkException e) {
        throw new ArbitrateException("releaseMainStem", pipelineId.toString(), e);
    }
}