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[Bug]: Connection is not possible - Unable to find endpoint matching

Status: Open.

#2302 In apache/plc4x;

· fuzolan opened on Oct 9, 2025

[Bug]: When user and password is required to log in, but no user password is provided, the connection to opcua hangs.

OPC-UAhttps://plc4x.apache.org/users/protocols/opcua.htmlhttps://plc4x.apache.org/users/protocols/opcua.html

Status: Open.

Bug

#2290 In apache/plc4x;

· leibf2099 opened on Oct 3, 2025

[Bug]: Invalid lenByte - Issue connecting to Eclipse Milo OPC UA server with 4096-bit certificate using PLC4X SDK

OPC-UAhttps://plc4x.apache.org/users/protocols/opcua.htmlhttps://plc4x.apache.org/users/protocols/opcua.html

Status: Open.

Bug

#2286 In apache/plc4x;

· Skydreamer-123 opened on Oct 2, 2025

[Bug]: (S7-light) Issue when reading Db Addresses which are undefined

S7https://plc4x.apache.org/users/protocols/s7.htmlhttps://plc4x.apache.org/users/protocols/s7.html

Status: Open.

Bug

#2266 In apache/plc4x;

· frankpuppa opened on Sep 18, 2025

[Bug]: S7 protocol leaks memory

javaPull requests that update Java codePull requests that update Java code

S7https://plc4x.apache.org/users/protocols/s7.htmlhttps://plc4x.apache.org/users/protocols/s7.html

Status: Open.

Bug

#2248 In apache/plc4x;

· michele-tramonti opened on Sep 6, 2025

does plc4j-driver-s7 0.13.0 not support s7-200

S7https://plc4x.apache.org/users/protocols/s7.htmlhttps://plc4x.apache.org/users/protocols/s7.html

Status: Open.

Feature

#2247 In apache/plc4x;

· john1337 opened on Sep 6, 2025

[Bug]: Timeout Exceptions After 5–10 Minutes When Reading 207 Memory Blocks with S7 Protocol in v0.13.0 (Works in v0.12.0)

S7https://plc4x.apache.org/users/protocols/s7.htmlhttps://plc4x.apache.org/users/protocols/s7.html

Status: Open.

Bug

#2246 In apache/plc4x;

· shekhartanwar opened on Sep 5, 2025

[Bug]: Fix the broken Docker tests for OPC-UA

OPC-UAhttps://plc4x.apache.org/users/protocols/opcua.htmlhttps://plc4x.apache.org/users/protocols/opcua.html

Status: Open.

Bug

#2240 In apache/plc4x;

· chrisdutz opened on Sep 2, 2025

[Bug]: Modbus - Number of threads repetitively increase at each reconnection.

javaPull requests that update Java codePull requests that update Java code

Modbushttps://plc4x.apache.org/users/protocols/modbus.htmlhttps://plc4x.apache.org/users/protocols/modbus.html

Status: Open.

Bug

#2229 In apache/plc4x;

· frankpuppa opened on Aug 27, 2025

[Bug]: Building with enabled "enable-all-cheks" profiles fails on Arch Mac machines

javaPull requests that update Java codePull requests that update Java code

Status: Open.

Bug

#2198 In apache/plc4x;

· chrisdutz opened on Jul 30, 2025

[Bug]:Eclipse Milo OPC UA server, Invalid RSA Key

OPC-UAhttps://plc4x.apache.org/users/protocols/opcua.htmlhttps://plc4x.apache.org/users/protocols/opcua.html

Status: Open.

Bug

#2196 In apache/plc4x;

· Nguyen-BangVu opened on Jul 26, 2025

[Feat]: Secure ADS with Beckhoff ADS PLC

ADShttps://plc4x.apache.org/users/protocols/ads.htmlhttps://plc4x.apache.org/users/protocols/ads.html

javaPull requests that update Java codePull requests that update Java code

Status: Open.

Feature

#2173 In apache/plc4x;

· UserwithnoUsername opened on Jul 13, 2025