深海游弋的鱼 – 默默的点滴

macOS磁盘空间不释放(删除文件空间不恢复)

昨天（2025/12/15）把手上的 MacBook Pro M2 版本的系统升级到 macOS Tahoe 26.2 版本之后，发现系统剩余空间只有不到 50GB了，于是手工删除可一些不重要的文件，大约 200GB 的样子。

结果情况不仅没有好转，反倒是更严重了。更匪夷所思的是，文件删除的越多，系统剩余可用空间越少。最后急剧减少到接近为 0，系统报错存储空间不足，内存不足。

怀疑是 TimeMachine 导致的问题，于是尝试了

$ tmutil listlocalsnapshots /
系统会列出文件的名称，主要是日期名


$ tmutil deletelocalsnapshots 日期名

$ tmutil listlocalsnapshots /

系统会列出文件的名称，主要是日期名

$ tmutil deletelocalsnapshots 日期名

也是不起任何作用，其中的一个镜像无论如何都删除不了。

最后发现是 Apple FS 的快照空间占用了这部分空间，很奇怪以前没有发生过类似情况。

怀疑是系统升级设置了回滚快照，防止升级出现问题。

但是系统升级完成后，快照逻辑没有被解除，导致文件越删除磁盘空间越少的诡异问题。

我这边操作删除的时候，这部分快照消耗了大约 400GB 的磁盘空间，删除快照之后，系统卡顿了大约几分钟的样子恢复正常。应该是系统在进行集中磁盘清理导致的锁盘引起卡顿。

打开"磁盘工具"
点工具栏的显示-显示APFS快照(或者按键盘command+shift+s)
下放会出现快照占用空间

参考链接

Mac OS 磁盘空间不释放(删除文件空间不恢复)

Flutter Uint8List to Pointer

static Pointer<Uint8> generateUint8ListPointer(Uint8List types) {
  final blob = calloc<Uint8>(types.length);
  final blobBytes = blob.asTypedList(types.length);
  blobBytes.setAll(0, types);
  return blob;
}

static Pointer<Uint8> generateUint8ListPointer(Uint8List types) {

final blob = calloc<Uint8>(types.length);

final blobBytes = blob.asTypedList(types.length);

blobBytes.setAll(0, types);

return blob;

}

参考链接

flutter Uint8List to Pointer＜Uint8＞

‘withUnsafeBytes’ is deprecated: use ‘withUnsafeBytes(_: (UnsafeRawBufferPointer) throws -> R) rethrows -> R’ instead

在编写 Swift 代码的时候，执行如下代码的时候：

var pbCert = Data()
let err = pbCert.withUnsafeBytes { buffer in
    let pulSize: CUnsignedInt = pbCert.count
    return doSomeThings(buffer, pulSize)
}

var pbCert = Data()

let err = pbCert.withUnsafeBytes { buffer in

let pulSize: CUnsignedInt = pbCert.count

return doSomeThings(buffer, pulSize)

}

出现如下警告：

‘withUnsafeBytes’ is deprecated: use `withUnsafeBytes(_: (UnsafeRawBufferPointer) throws -> R) rethrows -> R` instead

1	‘withUnsafeBytes’ is deprecated: use `withUnsafeBytes(_: (UnsafeRawBufferPointer) throws -> R) rethrows -> R` instead

修正警告的方式，参考使用如下代码：

var pbCert = Data()
let err = pbCert.withUnsafeBytes { buffer in
    let byteBuffer = buffer.bindMemory(to: UInt8.self)
    let pulSize: CUnsignedInt = CUnsignedInt(byteBuffer.count)
    return doSomeThings(byteBuffer.baseAddress!, pulSize)
}

var pbCert = Data()

let err = pbCert.withUnsafeBytes { buffer in

let byteBuffer = buffer.bindMemory(to: UInt8.self)

let pulSize: CUnsignedInt = CUnsignedInt(byteBuffer.count)

return doSomeThings(byteBuffer.baseAddress!, pulSize)

}

参考链接

Flutter调试Linux平台代码（VSCode）

Flutter 开发过程中，需要编写调试 Linux 平台相关的代码，下面介绍一下使用 VSCode 进行调试的相关配置。

在工程根目录下的 launch.json 中增加如下配置：

        {
            "name": "Debug native",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/build/linux/arm64/debug/bundle/MyApp", // Path to your compiled Flutter Linux executable
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ]
        },

{

"name": "Debug native",

"type": "cppdbg",

"request": "launch",

"program": "${workspaceFolder}/build/linux/arm64/debug/bundle/MyApp", // Path to your compiled Flutter Linux executable

"args": [],

"stopAtEntry": false,

"cwd": "${workspaceFolder}",

"environment": [],

"externalConsole": false,

"MIMode": "gdb",

"setupCommands": [

{

"description": "Enable pretty-printing for gdb",

"text": "-enable-pretty-printing",

"ignoreFailures": true

}

]

注意 "program": "${workspaceFolder}/build/linux/arm64/debug/bundle/MyApp", // Path to your compiled Flutter Linux executable 根据项目的实际情况进行配置，主要需要修改的地方就是路径中的 arm64 或者 x64 以及最后的应用名。

完整的配置如下：

{
    // 使用 IntelliSense 了解相关属性。 
    // 悬停以查看现有属性的描述。
    // 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387
    "version": "0.2.0",
    "configurations": [
        {
            "name": "Debug native",
            "type": "cppdbg",
            "request": "launch",
            "program": "${workspaceFolder}/build/linux/arm64/debug/bundle/MyApp", // Path to your compiled Flutter Linux executable
            "args": [],
            "stopAtEntry": false,
            "cwd": "${workspaceFolder}",
            "environment": [],
            "externalConsole": false,
            "MIMode": "gdb",
            "setupCommands": [
                {
                    "description": "Enable pretty-printing for gdb",
                    "text": "-enable-pretty-printing",
                    "ignoreFailures": true
                }
            ]
        },
    ]
}

{

// 使用 IntelliSense 了解相关属性。

// 悬停以查看现有属性的描述。

// 欲了解更多信息，请访问: https://go.microsoft.com/fwlink/?linkid=830387

"version": "0.2.0",

"configurations": [

{

"name": "Debug native",

"type": "cppdbg",

"request": "launch",

"program": "${workspaceFolder}/build/linux/arm64/debug/bundle/MyApp", // Path to your compiled Flutter Linux executable

"args": [],

"stopAtEntry": false,

"cwd": "${workspaceFolder}",

"environment": [],

"externalConsole": false,

"MIMode": "gdb",

"setupCommands": [

{

"description": "Enable pretty-printing for gdb",

"text": "-enable-pretty-printing",

"ignoreFailures": true

}

]

}

调试的时候，参考下图进行选择，选择的配置项目就是 "name": "Debug native",如下图：

参考链接

西门子洗碗机SN23E831TI排水泵故障维修

最近家里的西门子洗碗机不工作了，故障表现就是洗碗不结束，面板上的进水龙头指示灯闪烁，永远不结束。仔细观察，触摸洗碗机，会发现洗碗机外部凉凉的，不加热。洗碗中途打开柜门，里面没有温度。只要没有温度，大概率故障原因就是加热模块损坏。

继续阅读西门子洗碗机SN23E831TI排水泵故障维修

访问github.com被解析到127.0.0.1问题解决

最近访问 github，发现总是访问失败。经过排查后确认问题原因是 DNS 解析被污染导致 github.com 被解析到 127.0.0.1 导致的。

如下图：

解决方案：

1、指定DNS为其他知名DNS服务器：如1.1.1.1，8.8.8.8， 114.114.114.114等；

2、添加hosts文件记录，将github的ip地址增加进去。

参考链接

H3CBook Pro 14 G2合盖睡眠导致指纹解锁不可用M2硬盘丢失问题

公司新发的 H3CBook Pro 14 G2 使用了 Intel i7 1360P 当前 BIOS 版本号 F.11 版本日期 12/27/2024 。机器自带内存 16GB，感觉不大够用。到手之后，买了一个新的 32GB DDR5 内存，顺手插上了老电脑上替换下来的一个 Intel M2 固态硬盘。默认情况下合盖会进入自动睡眠状态。重新打开盖子，指纹解锁不可用，进入系统之后，新增的 M2 硬盘丢失。重启系统后可以恢复。

跟客服也沟通了一下，目前暂时没有新的 BIOS 版本发布。目前的解决方案就是在 Windows 11 的电源设置里面关闭合盖 “睡眠” 选项，全部设置为 “休眠”。

OpenGrok升级到1.14.4版本后在首页报错 "Method not found: class org.opengrok.web.PageConfig.getRelativePath"

OpenGrok升级到1.14.4版本后，在首页报错，如下：

org.apache.jasper.el.JspELException: /WEB-INF/tags/repository.tag(43,4) '${pageConfig.getRelativePath(pageConfig.sourceRootPath, repositoryInfo.directoryName)}' Method not found: class org.opengrok.web.PageConfig.getRelativePath(java.lang.String, java.lang.String)

jakarta.servlet.jsp.JspException: org.apache.jasper.el.JspELException: /WEB-INF/tags/repository.tag(43,4) '${pageConfig.getRelativePath(pageConfig.sourceRootPath, repositoryInfo.directoryName)}' Method not found: class org.opengrok.web.PageConfig.getRelativePath(java.lang.String, java.lang.String)
	at org.apache.jsp.tag.web.repository_tag.doTag(repository_tag.java:272)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_opengrok_005frepository_005f0(repositories_tag.java:367)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f2(repositories_tag.java:335)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fforEach_005f1(repositories_tag.java:298)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f1(repositories_tag.java:262)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fforEach_005f0(repositories_tag.java:225)
	at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f0(repositories_tag.java:191)
	at org.apache.jsp.tag.web.repositories_tag.doTag(repositories_tag.java:149)
	at org.apache.jsp.index_jsp._jspService(index_jsp.java:938)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:62)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:428)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:350)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:301)
	at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.opengrok.web.CookieFilter.doFilter(CookieFilter.java:50)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.opengrok.web.AuthorizationFilter.doFilter(AuthorizationFilter.java:100)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.opengrok.web.StatisticsFilter.doFilter(StatisticsFilter.java:69)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:162)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:138)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:165)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:88)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:113)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:83)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:72)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)
	at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:399)
	at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)
	at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:903)
	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1774)
	at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:973)
	at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:491)
	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63)
	at java.base/java.lang.Thread.run(Thread.java:1583)
Caused by: org.apache.jasper.el.JspELException: /WEB-INF/tags/repository.tag(43,4) '${pageConfig.getRelativePath(pageConfig.sourceRootPath, repositoryInfo.directoryName)}' Method not found: class org.opengrok.web.PageConfig.getRelativePath(java.lang.String, java.lang.String)
	at org.apache.jasper.el.JspValueExpression.getValue(JspValueExpression.java:134)
	at org.apache.jsp.tag.web.repository_tag._jspx_meth_c_005fset_005f6(repository_tag.java:426)
	at org.apache.jsp.tag.web.repository_tag._jspx_meth_c_005fif_005f0(repository_tag.java:402)
	at org.apache.jsp.tag.web.repository_tag.doTag(repository_tag.java:211)
	... 44 more

org.apache.jasper.el.JspELException: /WEB-INF/tags/repository.tag(43,4) '${pageConfig.getRelativePath(pageConfig.sourceRootPath, repositoryInfo.directoryName)}' Method not found: class org.opengrok.web.PageConfig.getRelativePath(java.lang.String, java.lang.String)

jakarta.servlet.jsp.JspException: org.apache.jasper.el.JspELException: /WEB-INF/tags/repository.tag(43,4) '${pageConfig.getRelativePath(pageConfig.sourceRootPath, repositoryInfo.directoryName)}' Method not found: class org.opengrok.web.PageConfig.getRelativePath(java.lang.String, java.lang.String)

at org.apache.jsp.tag.web.repository_tag.doTag(repository_tag.java:272)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_opengrok_005frepository_005f0(repositories_tag.java:367)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f2(repositories_tag.java:335)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fforEach_005f1(repositories_tag.java:298)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f1(repositories_tag.java:262)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fforEach_005f0(repositories_tag.java:225)

at org.apache.jsp.tag.web.repositories_tag._jspx_meth_c_005fif_005f0(repositories_tag.java:191)

at org.apache.jsp.tag.web.repositories_tag.doTag(repositories_tag.java:149)

at org.apache.jsp.index_jsp._jspService(index_jsp.java:938)

at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:62)

at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)

at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:428)

at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:350)

at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:301)

at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:658)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193)