Add boot42-preview module: Spring Boot 4.2.0-M2 vs 4.1.1 forwarded headers, AMQP starters, buildpack cache, RestTemplate removal warnings

Co-Authored-By: Claude Sonnet 5 <[email protected]> Claude-Session: https://claude.ai/code/session_01Gth99spB1CzQmBFofXmU4Z
2026-09-28 08:40:07 +00:00
parent 3e2029ab3a
commit acd63e658b
24 changed files with 608 additions and 0 deletions
@@ -0,0 +1,50 @@
+# 04-buildpack-cache-classes (javap, spring-boot-buildpack-platform and spring-boot-maven-plugin)
+--- buildpack-platform 4.1.1: classes matching Cache
+  Cache$Bind.class
+  Cache$Format.class
+  Cache$Volume.class
+  Cache.class
+--- buildpack-platform 4.2.0-M2: classes matching Cache
+  Cache.class
+  ImageCache.class
+  LocalCache$Bind.class
+  LocalCache$Volume.class
+  LocalCache.class
+--- javap Cache (4.2.0-M2)
+Compiled from "Cache.java"
+public interface Cache {
+  public default LocalCache$Volume getVolume();
+  public default LocalCache$Bind getBind();
+  public default ImageCache getImage();
+  public static LocalCache volume(java.lang.String);
+  public static LocalCache volume(VolumeName);
+  public static LocalCache bind(java.lang.String);
+  public static ImageCache image(java.lang.String);
+}
+--- javap org.springframework.boot.maven.CacheInfo (4.2.0-M2)
+Compiled from "CacheInfo.java"
+public class CacheInfo {
+  public CacheInfo();
+  public void setVolume(LocalCacheInfo$VolumeCacheInfo);
+  public void setBind(LocalCacheInfo$BindCacheInfo);
+  public void setImage(CacheInfo$ImageCacheInfo);
+  Cache asCache();
+  static CacheInfo fromVolume(LocalCacheInfo$VolumeCacheInfo);
+  static CacheInfo fromBind(LocalCacheInfo$BindCacheInfo);
+  static CacheInfo fromImage(CacheInfo$ImageCacheInfo);
+}
+--- javap org.springframework.boot.maven.LocalCacheInfo (4.2.0-M2)
+Compiled from "LocalCacheInfo.java"
+public class LocalCacheInfo {
+  public LocalCacheInfo();
+  LocalCacheInfo(LocalCache);
+  public void setVolume(LocalCacheInfo$VolumeCacheInfo);
+  public void setBind(LocalCacheInfo$BindCacheInfo);
+  LocalCache asCache();
+  static LocalCacheInfo fromVolume(LocalCacheInfo$VolumeCacheInfo);
+  static LocalCacheInfo fromBind(LocalCacheInfo$BindCacheInfo);
+}
+--- javap -p Image, fields mentioning cache/workspace (4.2.0-M2)
+  LocalCacheInfo buildWorkspace;
+  CacheInfo buildCache;
+  LocalCacheInfo launchCache;