下面是一个使用wait_for()函数的示例: 代码语言:txt 复制 import discord client = discord.Client() @client.event async def on_ready(): print('Bot is ready') @client.event async def on_message(message): if message.content == '!wait': def check(m): return m.author == message.author an...
起因: 执行一个简单的insert语句失效,具体错误如下:1205-Lockwaittimeoutexceeded;tryrestartingtransaction。这个错误是由于mysql事务没有提交导致锁等待。 解决方案: 1、在Navicat中执行mysql命令:show full processlist;(如下图) 2、然后找到查询语句的id,kill掉被锁住的线程id ...
org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by: java.io ` `.IOException: java.sql.SQLException: Lockwaittimeoutexceeded; try restarting transaction at org.apache.sqoop.mapreduce.AsyncSqlRecordWriter.write(AsyncSqlRecordWriter.java:220) at org.apache.sqoop.mapreduce.AsyncSqlR...
if waitTime.Milliseconds() >= sessVars.LockWaitTimeout { return sessiontxn.ErrorAction(tikverr.ErrLockWaitTimeout) } // Always update forUpdateTS by getting a new timestamp from PD. // If we use the conflict commitTS as the new forUpdateTS and async commit // is used, the commitTS...
.IOException: java.sql.SQLException: Lock wait timeout exceeded; try restarting transaction at org.apache.sqoop.mapreduce.AsyncSqlRecordWriter.write(AsyncSqlRecordWriter.java:220) at org.apache.sqoop.mapreduce.AsyncSqlRecordWriter.write(AsyncSqlRecordWriter.java:46) at org.apache.hadoop.mapred.MapTa...
,现象如下:ERROR|org.hibernate.engine.jdbc.spi.SqlExceptionHelper|[SimpleAsyncTaskExecutor-52]Timeout...就开始怀疑HashMap高并发非线程安全导致,占用数据库连接无法释放。由于没有堆信息进行佐证,我们无法石锤 但是这里很明显是p6spy打印sql日志引起的问题,我们可以到它的官网进行求证https ...
LWLock:async A process is waiting for I/O on an async (notify) buffer. LWLock:AsyncCtlLock A process is waiting to read or update a shared notification state. LWLock:AsyncQueueLock A process is waiting to read or update notification messages. LWLock:AuroraOptimizedReadsCacheMapping A process...
for wait statsclassWaitStat{publicstringWaitType{get;set;}publiclongWaitingTasksCount{get;set;}publiclongWaitTimeMs{get;set;}publiclongMaxWaitTimeMs{get;set;}publiclongSignalWaitTimeMs{get;set;}}staticvoidMain(){inti=0;longtotalTime=0;inttotalRows=0;intqueryC...
setTimeout(() => resolve("Hello World!"), 3000) }); let result = await promise; // wait until the promise resolves (*) alert(result); // "Hello World!" } displayMessage(); Let us now see how we can rewrite the example code given for Promise using async/await in JavaScript. fu...
ASYNC_NETWORK_IO Occurs on network writes when the task is blocked waiting for the client application to acknowledge that it has processed all the data sent to it. Verify that the client application is processing data from the server as fast as possible or that no net...