手撕项目-Flink电商实时分析三
目录
Redis服务
将本地应用放在服务器上测试
报错记录
总结
Redis服务
在服务器上搭建redis服务，本次采用redis-5.0.8，官网下载gz包，tar解压，再进行make操作，不报错的话，进入src（出现redis-server、redis-cli文件即为make成功）目录进行make install操作。之后进入src之前的目录修改redis.conf文件，配置为远程可以访问和后台运行，这样可以在本地使用可视化工具（比如：RedisDesktopManager）进行查看。
修改配置文件：
配置后台运行
#daemonize no
daemonize yes
配置远程访问
vim redis.conf
注释
bind 127.0.0.1
protected-mode yes
修改为
bind 0.0.0.0
protected-mode no下面是测试结果：
编写RedusUtil并测试
public static final Jedis jedis = new Jedis("自己redis服务的ip",6379);
public static String getBykey (String key){
return jedis.get(key);
}
public static void main(String[] args) {
jedis.set("test3","test33");
String value = jedis.get("test3");
System.out.println(value);
}
flink整合redis进行测试：
RedisUtil.jedis.lpush("pingdaord:"+pindaoid,count+"");
将本地应用放在服务器上测试
首先下载flink-1.7.2-bin-hadoop28-scala_2.11.tgz，在服务器上解压并启动./start-cluster.sh,作为运行flink进行MapReduce的环境
启动后可以输入：http:服务器地址:8081/进入面板页面查看
由于服务器一直刷不出Task Slots的数量，所以只能进行到这里，后续是本地调用上报服务，生成数据，在服务器flink上进行分析并存入redis
报错记录
org.apache.flink.runtime.jobmanager.scheduler.NoResourceAvailableException: Could not allocate all requires slots within timeout of 300000 ms. Slots required: 2, slots allocated: 0
at org.apache.flink.runtime.executiongraph.ExecutionGraph.lambda$scheduleEager$3(ExecutionGraph.java:991)
at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:870)
at java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:852)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
at org.apache.flink.runtime.concurrent.FutureUtils$ResultConjunctFuture.handleCompletedFuture(FutureUtils.java:535)
at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1977)
at org.apache.flink.runtime.concurrent.FutureUtils$1.onComplete(FutureUtils.java:772)
at akka.dispatch.OnComplete.internal(Future.scala:258)
at akka.dispatch.OnComplete.internal(Future.scala:256)
at akka.dispatch.japi$CallbackBridge.apply(Future.scala:186)
at akka.dispatch.japi$CallbackBridge.apply(Future.scala:183)
at scala.concurrent.impl.CallbackRunnable.run(Promise.scala:36)
at org.apache.flink.runtime.concurrent.Executors$DirectExecutionContext.execute(Executors.java:83)
at scala.concurrent.impl.CallbackRunnable.executeWithValue(Promise.scala:44)
at scala.concurrent.impl.Promise$DefaultPromise.tryComplete(Promise.scala:252)
at akka.pattern.PromiseActorRef$$anonfun$1.apply$mcV$sp(AskSupport.scala:603)
at akka.actor.Scheduler$$anon$4.run(Scheduler.scala:126)
at scala.concurrent.Future$InternalCallbackExecutor$.unbatchedExecute(Future.scala:601)
at scala.concurrent.BatchingExecutor$class.execute(BatchingExecutor.scala:109)
at scala.concurrent.Future$InternalCallbackExecutor$.execute(Future.scala:599)
at akka.actor.LightArrayRevolverScheduler$TaskHolder.executeTask(LightArrayRevolverScheduler.scala:329)
at akka.actor.LightArrayRevolverScheduler$$anon$4.executeBucket$1(LightArrayRevolverScheduler.scala:280)
at akka.actor.LightArrayRevolverScheduler$$anon$4.nextTick(LightArrayRevolverScheduler.scala:284)
at akka.actor.LightArrayRevolverScheduler$$anon$4.run(LightArrayRevolverScheduler.scala:236)
at java.lang.Thread.run(Thread.java:748)
2020-05-03 22:51:40,205 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> Map (1/1) (f29f5bc1259a09aa314eb46231a295b5) switched from SCHEDULED to CANCELED.
2020-05-03 22:51:40,205 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Window(GlobalWindows(), CountTrigger, CountEvictor, PindaoReduce, PassThroughWindowFunction) -> Sink: pdrdreduce (1/1) (f0258b8006ced3f5cdd787d454e8ddc8) switched from SCHEDULED to CANCELED.
2020-05-03 22:51:40,217 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Try to restart or fail the job pindaoredian (a189c7f3d756b8745fb07c7124502dec) if no longer possible.
2020-05-03 22:51:40,217 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job pindaoredian (a189c7f3d756b8745fb07c7124502dec) switched from state FAILING to RESTARTING.
2020-05-03 22:51:40,217 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Restarting the job pindaoredian (a189c7f3d756b8745fb07c7124502dec).
2020-05-03 22:51:50,218 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job pindaoredian (a189c7f3d756b8745fb07c7124502dec) switched from state RESTARTING to CREATED.
2020-05-03 22:51:50,219 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Job pindaoredian (a189c7f3d756b8745fb07c7124502dec) switched from state CREATED to RUNNING.
2020-05-03 22:51:50,219 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Source: Custom Source -> Map (1/1) (f1d8e3f1df3c25820190ba00bd1cbcbf) switched from CREATED to SCHEDULED.
2020-05-03 22:51:50,219 INFO org.apache.flink.runtime.executiongraph.ExecutionGraph - Window(GlobalWindows(), CountTrigger, CountEvictor, PindaoReduce, PassThroughWindowFunction) -> Sink: pdrdreduce (1/1) (1dd55c67f10b3cb2c0962f3bd2f20958) switched from CREATED to SCHEDULED.
2020-05-03 22:51:50,220 INFO org.apache.flink.runtime.jobmaster.slotpool.SlotPool - Requesting new slot [SlotRequestId{1f915c06c6ef004f5d2504065d517bc7}] and profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} from resource manager.
2020-05-03 22:51:50,220 INFO org.apache.flink.runtime.resourcemanager.StandaloneResourceManager - Request slot with profile ResourceProfile{cpuCores=-1.0, heapMemoryInMB=-1, directMemoryInMB=0, nativeMemoryInMB=0, networkMemoryInMB=0} for job a189c7f3d756b8745fb07c7124502dec with allocation id AllocationID{da4e0ae01707e2cc6211e6f968ee163d}.
2020-05-03 22:51:53,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:51:58,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:03,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:08,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:13,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:18,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:23,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:28,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:33,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:38,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:43,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:48,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:53,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:52:58,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.
2020-05-03 22:53:03,036 INFO org.apache.flink.runtime.checkpoint.CheckpointCoordinator - Checkpoint triggering task Source: Custom Source -> Map (1/1) of job a189c7f3d756b8745fb07c7124502dec is not in state RUNNING but SCHEDULED instead. Aborting checkpoint.总结
今天大部分时间都用在了调通服务器上，接下来将编写前端服务，如果有知道为什么Task Solts为0的可以私信或者留言。
具体代码可参照我的git项目地址,现有代码均已通过测试可以使用，后续会持续更新，直到项目结束，不懂的细节，可以关注公众号，后台留言，会细致解答。
git地址:https://github.com/jyqjyq/filnkDS.git