gdiazs opened a new issue, #6082:
URL: https://github.com/apache/jmeter/issues/6082
### Expected behavior
Given a ISO8583 standard health check message:
`00670800822000000800000004000000000000000409111530088001909916088001081`
And
Setting up TCP Sampler to use: `LengthPrefixedBinaryTCPClientImpl` with
config: `tcp.binarylength.prefix.length = 4`
Then: TCP Sampler should be able to determine whether the message is ready
or no.
### Actual behavior
For Response:
`00690810822000000A0000000400000000000000040911153008800190991608800100081`
```
2023-09-26 09:54:47,366 ERROR o.a.j.p.t.s.TCPSampler:
java.lang.IllegalArgumentException: Hex-encoded binary string contains an
uneven no. of digits
at
org.apache.jmeter.protocol.tcp.sampler.BinaryTCPClientImpl.hexStringToByteArray(BinaryTCPClientImpl.java:78)
~[ApacheJMeter_tcp.jar:5.6.2]
at
org.apache.jmeter.protocol.tcp.sampler.BinaryTCPClientImpl.write(BinaryTCPClientImpl.java:90)
~[ApacheJMeter_tcp.jar:5.6.2]
at
org.apache.jmeter.protocol.tcp.sampler.LengthPrefixedBinaryTCPClientImpl.write(LengthPrefixedBinaryTCPClientImpl.java:59)
~[ApacheJMeter_tcp.jar:5.6.2]
at
org.apache.jmeter.protocol.tcp.sampler.TCPSampler.sample(TCPSampler.java:397)
[ApacheJMeter_tcp.jar:5.6.2]
at
org.apache.jmeter.threads.JMeterThread.doSampling(JMeterThread.java:651)
[ApacheJMeter_core.jar:5.6.2]
at
org.apache.jmeter.threads.JMeterThread.executeSamplePackage(JMeterThread.java:570)
[ApacheJMeter_core.jar:5.6.2]
at
org.apache.jmeter.threads.JMeterThread.processSampler(JMeterThread.java:501)
[ApacheJMeter_core.jar:5.6.2]
at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:268)
[ApacheJMeter_core.jar:5.6.2]
```
### Steps to reproduce the problem
1 - Clone this project: https://github.com/gdiazs/demo-iso8583
It is a server socket on top netty. Just run the main: **com.example.Main.**
2- Then in same repo there is a JMX script file : **ISO Performance.jmx**
import to JMeter.
Make sure port 5000 is not being used by another process.
3 - Open JMeter's Log viewer and run script
4 - log messages shows up, request and response does not work.
NOTE:
Work around
- Happy Path:
On TCP sampler remove LengthPrefixedBinaryTCPClientImpl, then TCP
implementation by default is setup, configure read timeout 1000 or 3000, then
success output is faced.
### JMeter Version
17.0.8
### Java Version
11
### OS Version
MAC M1
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