[ https://jira.qos.ch/browse/SLF4J-389?page=com.atlassian.jira.plugin.system.i... ] Michael Osipov commented on SLF4J-389: -------------------------------------- Thanks Ceki, I will let you know.
SimpleLogger caches System.err and System.out ---------------------------------------------
Key: SLF4J-389 URL: https://jira.qos.ch/browse/SLF4J-389 Project: SLF4J Issue Type: Bug Affects Versions: 1.7.x Reporter: Igor Polevoy Assignee: Ceki Gülcü Fix For: 1.7.23
We usually use SimpleLogger in tests, and some other binding when running in production. In some cases, our tests depend on log values logged through the logger during a test. Unfortunately between version 1.7.0 and 1.7.1 this ability has been removed, since the SimpleLogger now caches the system stream in a static initialiser. Here is the code that broke this approach: https://github.com/qos-ch/slf4j/commit/996ccc7ca507994465c069554954ecb01890d... Basically, we would write a test: {quote}PrintStream err = System.err; PrintStream temp = new PrintStream(some buffer here); System.err = temp; // run tests System.err = err; // here we assert that the temp stream contains values we expect{quote} Unfortunately SimpleLogger now caches the system stream and never releases it, meaning swapping the streams to catch the output is not possible.
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