YczYanchengzhe opened a new issue #5891:
URL: https://github.com/apache/skywalking/issues/5891
Please answer these questions before submitting your issue.
- Why do you submit this issue?
- [ ] Question or discussion
- [x] Bug
- [ ] Requirement
- [ ] Feature or performance improvement
___
### Question
- What do you want to know?
We're using grpc to report TraceInfo.Find a problem .If the log
configuration of the business starts slowly.Only error level printout of the
log will occur .
Through our observation . That's because he used netty acquisition channel
in the grpc thread . problem class is [io.grpc.internal] , version is[grpc
-core -1.26.0]
` private static final Logger log =
Logger.getLogger(GrpcUtil.class.getName());` Here's the log use .
test code is :
```java
import org.apache.logging.log4j.core.config.ConfigurationSource;
import org.apache.logging.log4j.core.config.Configurator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.FileInputStream;
import java.io.IOException;
public static void main(String[] args) throws InterruptedException,
IOException {
System.out.println("start test");
Thread.sleep(5000);
// path can't resources
ConfigurationSource source = new ConfigurationSource(new
FileInputStream("/opt/log.xml"));
Configurator.initialize((ClassLoader)null, source);
Logger LOGGER =LoggerFactory.getLogger(TxMDC.class);
// this log only print error
LOGGER.info("main thread start");
}
```
test pom is
```xml
<dependencies>
<!-- 日志 log4j2-->
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-core</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>org.apache.logging.log4j</groupId>
<artifactId>log4j-slf4j-impl</artifactId>
<version>2.3</version>
</dependency>
<!--slf4j-->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.7.21</version>
</dependency>
</dependencies>
```
error place :
```java
System.out.println("test ---> 8");
managedChannel =
GRPCChannel.newBuilder(ipAndPort[0], Integer.parseInt(ipAndPort[1]))
.addManagedChannelBuilder(new StandardChannelBuilder())
.addManagedChannelBuilder(new TLSChannelBuilder())
.addChannelDecorator(new
AgentIDDecorator())
.addChannelDecorator(new
AuthenticationDecorator())
.build();
System.out.println("test ---> 9");
notify(GRPCChannelStatus.CONNECTED);
System.out.println("test ---> 10");
```
By increasing grpc thread startup time, we solve this problem , I would
like to know if there are any other solutions
___
### Requirement or improvement
JDK : 1.8
skywalking : 8.1
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