BewareMyPower commented on issue #17279:
URL: https://github.com/apache/pulsar/issues/17279#issuecomment-1232976657
I also tried the 2.10.1 RPM package and it works well with GCC 4.8.
```
lrwxrwxrwx 1 root root 19 Aug 31 13:48 /usr/lib/libpulsar.so ->
libpulsar.so.2.10.1
-rwxr-xr-x 1 root root 10636144 Jun 13 07:57 /usr/lib/libpulsar.so.2.10.1
lrwxrwxrwx 1 root root 24 Aug 31 13:48 /usr/lib/libpulsarnossl.so ->
libpulsarnossl.so.2.10.1
-rwxr-xr-x 1 root root 7569800 Jun 13 07:57
/usr/lib/libpulsarnossl.so.2.10.1
```
```bash
g++ SampleProducer.cc -std=c++11 -I /pulsar/pulsar-client-cpp/include -L
/usr/lib -lpulsar
export LD_LIBRARY_PATH=/usr/lib:$LD_LIBRARY_PATH
./a.out
```
Outputs:
```
0x16536c8
2022-08-31 13:56:48.473 INFO [139834303919872] ExecutorService:41 | Run
io_service in a single thread
2022-08-31 13:56:48.473 INFO [139834337716672] ClientConnection:189 |
[<none> -> pulsar://localhost:6650] Create ClientConnection, timeout=10000
2022-08-31 13:56:48.473 INFO [139834337716672] ConnectionPool:96 | Created
connection for pulsar://localhost:6650
2022-08-31 13:56:48.474 INFO [139834303919872] ClientConnection:375 |
[127.0.0.1:51658 -> 127.0.0.1:6650] Connected to broker
2022-08-31 13:56:48.575 INFO [139834303919872] HandlerBase:64 |
[persistent://public/default/my-topic, ] Getting connection from pool
2022-08-31 13:56:48.901 INFO [139834303919872] ProducerImpl:189 |
[persistent://public/default/my-topic, ] Created producer on broker
[127.0.0.1:51658 -> 127.0.0.1:6650]
2022-08-31 13:56:49.008 INFO [139834337716672] ClientImpl:498 | Closing
Pulsar client with 1 producers and 0 consumers
2022-08-31 13:56:49.008 INFO [139834337716672] ProducerImpl:661 |
[persistent://public/default/my-topic, standalone-0-0] Closing producer for
topic persistent://public/default/my-topic
2022-08-31 13:56:49.016 INFO [139834303919872] ProducerImpl:704 |
[persistent://public/default/my-topic, standalone-0-0] Closed producer
2022-08-31 13:56:49.017 INFO [139834284959488] ClientConnection:1560 |
[127.0.0.1:51658 -> 127.0.0.1:6650] Connection closed
2022-08-31 13:56:49.017 INFO [139834284959488] ClientConnection:263 |
[127.0.0.1:51658 -> 127.0.0.1:6650] Destroyed connection
2022-08-31 13:56:49.018 INFO [139834303919872] ExecutorService:47 | Event
loop of ExecutorService exits successfully
2022-08-31 13:56:49.018 INFO [139834337716672] ProducerImpl:628 | Producer
- [persistent://public/default/my-topic, standalone-0-0] ,
[batchMessageContainer = { BatchMessageContainer [size = 0] [bytes = 0]
[maxSize = 1000] [maxBytes = 131072] [topicName =
persistent://public/default/my-topic] [numberOfBatchesSent_ = 2]
[averageBatchSize_ = 0.5] }]
```
I suspect there are multiple GCC compilers in your environment and you
didn't set the related environment variables (`PATH` and `LD_LIBRARY_PATH`)
well. Could you show the `ldd` result of your executable file and the GCC
version?
```bash
ldd <your-executable>
g++ --version
```
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