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But, possibly your data isn't Unicode to begin with?
Yup, the data is ASCII data. But there are binary data there. for example, the server use 1 byte 7C to represent the field length is 126 character.

I have no clue why an RPG programmer would use Java for that rather than the operating system's ...

Hi all, greeting. Hope you are doing good.

I have a RPGLE program which will call a Java program. The Java program will connect to a TCP server and get the ASCII data back.
I print the data in Java - it is ASCII value. And I use below command to set the value to a variable in RPGLE ...

Dear all,

I run a Python program in iSeies. The pgm will communicate with a sever to process transaction data. The data has ascii and binary format. After rcv the message (bytes string), I use Python package itoolkit (based on xmlservice) to call a rpgle program as parm.

Because of the binary ...

The final release for iSeries was V5R4. Perhaps you are running IBM i 7.4?
Yes.

Yes, it doesn't recognize the TLS version and/or cipher suite that the remote site is using. That's why it says "peer not recognized." It could also mean that the remote site is trying to use plain (unencrypted) data ...

Dear all,

Greeting. I am working on iSeries V7R4. Recently I need to implement TLS 1.2 over TCP/IP for an Internet URL.

The infra looks like:

iSeries -> SOCKS5 -> Proxy Server -> Internet -> Vendor URL

I implement SOCKS5 protocol with a C program. Then user GSKit to secure the channel ...