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fix not seeing java as 64 bit on M1 processors #5304

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fix not seeing java as 64 bit on M1 processors #5304

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bombcar
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@bombcar bombcar commented Dec 8, 2023 •
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On macOS with an M1 or M2 processor, it returns os.arch=aarch64 which is not recognized as a 64 bit architecture by the code.

This fixes that and the spurious warning goes away:

Checking Java version...
Java is version 21.0.1, using 32-bit architecture, from Eclipse Adoptium.


Your Java architecture is not matching your system architecture. You might want to install a 64bit Java version.

@runlevel5 runlevel5 mentioned this pull request Mar 21, 2024
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jeffro256
jeffro256 reviewed Apr 21, 2024
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launcher/java/JavaChecker.cpp
@@ -129,7 +129,7 @@ void JavaChecker::finished(int exitcode, QProcess::ExitStatus status)
auto os_arch = results["os.arch"];
auto java_version = results["java.version"];
auto java_vendor = results["java.vendor"];
bool is_64 = os_arch == "x86_64" || os_arch == "amd64";
bool is_64 = os_arch == "x86_64" || os_arch == "amd64" || os_arch == "aarch64";
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Suggested change
bool is_64 = os_arch == "x86_64" || os_arch == "amd64" || os_arch == "aarch64";
const bool is_64 = os_arch.find("64") != std::string::npos;

@The-Only-E
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On macOS with an M1 or M2 processor, it returns os.arch=aarch64 which is not recognized as a 64 bit architecture by the code.

This fixes that and the spurious warning goes away:

Checking Java version...
Java is version 21.0.1, using 32-bit architecture, from Eclipse Adoptium.


Your Java architecture is not matching your system architecture. You might want to install a 64bit Java version.

I got this on Windows 11 running on a Raspberry Pi, so it's all java versions for ARM, except 8 for some reason.

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@bombcar @The-Only-E @jeffro256