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Make runtime loader exception message slightly better #7536

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merged 4 commits into from
Dec 14, 2024
Merged

Make runtime loader exception message slightly better #7536

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e499e9e
Make runtime loader exception message slightly better
ThadHouse Dec 10, 2024
1654acd
Formatting
ThadHouse Dec 10, 2024
567ec71
Update wpiutil/src/main/java/edu/wpi/first/util/RuntimeLoader.java
ThadHouse Dec 10, 2024
6f5a4f6
Formatting
PeterJohnson Dec 10, 2024
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9 changes: 6 additions & 3 deletions wpiutil/src/main/java/edu/wpi/first/util/RuntimeLoader.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,17 +16,20 @@ public final class RuntimeLoader {
* @return A load error message.
*/
private static String getLoadErrorMessage(String libraryName, UnsatisfiedLinkError ule) {
String jvmLocation = ProcessHandle.current().info().command().orElse("Unknown");
StringBuilder msg = new StringBuilder(512);
msg.append(libraryName)
.append(" could not be loaded from path.\n" + "\tattempted to load for platform ")
.append(CombinedRuntimeLoader.getPlatformPath())
.append("\nLast Load Error: \n")
.append(ule.getMessage())
.append('\n');
.append('\n')
.append(String.format("JVM Location: %s\n", jvmLocation));
if (System.getProperty("os.name").startsWith("Windows")) {
msg.append(
"A common cause of this error is missing the C++ runtime.\n"
+ "Download the latest at https://support.microsoft.com/en-us/help/2977003/the-latest-supported-visual-c-downloads\n");
"A common cause of this error is using a JVM with an incorrect MSVC runtime.\n"
+ "Ensure you are using the WPILib JVM (The current running JVM is listed above)\n"
+ "See https://wpilib.org/jvmruntime for more information\n");
}
return msg.toString();
}
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