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spring-boot/spring-boot-tools
Andy Wilkinson 0c78b2fd3d Handle fully-qualified Windows paths correctly in the CLI
Previously, the CLI would always use the class loader to try to locate
a source file. This was contrary to the SourceOptions javadoc which
states that the class loader is “used to try and load files that are
not found in the local filesystem”. This provide to be problematic on
Windows when a fully-qualified source file was supplied. The driver
letter colon slash (e.g. c:/) at the start of the path is considered
invalid for a class path resource by URLClassPath.Loader resulting in an
IllegalArgumentException being thrown.

A workaround for this URLClassPath behaviour was added in a71c9b5d. It
was removed as part of reworking LaunchedURLClassLoader to use a
conventional delegation model in 87fe0b2a. It was then reinstated in
cc140b2c. This work around is undesirable as it causes
LaunchedURLClassLoader’s behaviour to diverge from URLClassLoader’s
behaviour (this is contrary to the comments in the test added in
a71c9b5d which incorrectly tests the two class loader with different
class paths. If the two class loaders are created with the same class
path then their behaviour is the same).

This commit updates SourceOptions to make its behaviour match its
javadoc so that a search of the class path is only performed if the
filename doesn’t exist on the filesystem. Furthermore, when running on
Windows, if the filename is an absolute path no further searching is
performed as the path cannot reliably be used to search the class path
due to the behaviour of URLClassPath.Loader when given a path that
is an absolute file path on Windows. This ensures that the user is
presented with an error message indicating that the file could not be
found.

Closes gh-5650
9 years ago
..
spring-boot-antlib Next Development Version 9 years ago
spring-boot-configuration-metadata Merge branch '1.3.x' 9 years ago
spring-boot-configuration-processor Next Development Version 9 years ago
spring-boot-gradle-plugin Use the passed parameter in BuildInfo.coerceToStringValues() 9 years ago
spring-boot-loader Handle fully-qualified Windows paths correctly in the CLI 9 years ago
spring-boot-loader-tools Merge branch '1.3.x' 9 years ago
spring-boot-maven-plugin Tweak timings for Windows build 9 years ago
pom.xml Next Development Version 9 years ago