fix: retry java cache corruption with clean build

monitor/service_release.py

@@ -572,7 +572,7 @@ def maven_module_list(service_names: list[str]) -> str:
     return ",".join(modules)
 
 
-def java_maven_package_command(service_names: list[str]) -> list[str]:
+def java_maven_package_command(service_names: list[str], *, clean: bool = False) -> list[str]:
     # Java 默认走增量 package，并允许通过 .env 配 Maven 并行线程。
     command = ["mvn"]
     maven_threads = str(JAVA_MAVEN_THREADS or "").strip()
@@ -584,12 +584,28 @@ def java_maven_package_command(service_names: list[str]) -> list[str]:
             maven_module_list(service_names),
             "-am",
             "-Dmaven.test.skip=true",
-            "package",
         ]
     )
+    if clean:
+        command.append("clean")
+    command.append("package")
     return command
 
 
+def should_retry_java_maven_with_clean(error_text: str) -> bool:
+    # 固定工作区第一次启用时，历史 target 产物偶尔会有损坏；命中后退回一次 clean package 自愈。
+    normalized = str(error_text or "")
+    markers = (
+        "java.util.zip.ZipException",
+        "java.io.EOFException",
+        "bad class file",
+        "invalid loc",
+        "invalid block type",
+        "Unexpected end of ZLIB input stream",
+    )
+    return any(marker in normalized for marker in markers)
+
+
 def build_single_java_image(
     service_name: str,
     *,
@@ -673,14 +689,32 @@ def build_java_images(
                 progress=progress,
             )
             emit_progress(progress, "build.java.maven", f"开始 Maven 打包：{maven_module_list(service_names)}")
-            run_logged_command(
-                java_maven_package_command(service_names),
-                cwd=worktree_root,
-                label="java maven package",
-                timeout_seconds=SERVICE_BUILD_TIMEOUT_SECONDS,
-                progress_stage="build.java.maven.package",
-                progress=progress,
-            )
+            try:
+                run_logged_command(
+                    java_maven_package_command(service_names),
+                    cwd=worktree_root,
+                    label="java maven package",
+                    timeout_seconds=SERVICE_BUILD_TIMEOUT_SECONDS,
+                    progress_stage="build.java.maven.package",
+                    progress=progress,
+                )
+            except Exception as exc:  # noqa: BLE001
+                if not should_retry_java_maven_with_clean(str(exc)):
+                    raise
+                emit_progress(
+                    progress,
+                    "build.java.maven",
+                    "检测到缓存产物损坏，退回一次 clean package 自愈",
+                    level="warning",
+                )
+                run_logged_command(
+                    java_maven_package_command(service_names, clean=True),
+                    cwd=worktree_root,
+                    label="java maven clean package",
+                    timeout_seconds=SERVICE_BUILD_TIMEOUT_SECONDS,
+                    progress_stage="build.java.maven.clean-package",
+                    progress=progress,
+                )
         else:
             emit_progress(progress, "build.java.maven", "跳过 Maven，直接复用已有 Jar")