goland开启服务器报错socket: operation not permitted 10C


import (
    //_ "myproject/routers"

func IndexHandler(w http.ResponseWriter,req *http.Request){
    fmt.Fprintln(w, "hello world")

func main() {
    if err!=nil{

报错listen tcp :8080: socket: operation not permitted

一只放羊的 我自己解答吧,我重装换了源就好了
大约 2 个月之前 回复



systemctl stop firewallld

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<div class="post-text" itemprop="text"> <p>I am building a go app inside a docker container</p> <p>When I try to run a docker container inside Golang with this command preview</p> <pre><code>docker build -f Dockerfile.local -t myGoApp:exp . &amp;&amp; docker run -v /volume:/go --name myGoApp --env-file ./test.env --network=myGoApp_network myGoApp:exp </code></pre> <p>I get: </p> <pre><code>Building image... Failed to deploy 'myGoApp Dockerfile: Dockerfile.local': com.github.dockerjava.api.exception.DockerClientException: Error occurred while preparing Docker context folder.&lt;br/&gt;caused by: java.io.FileNotFoundException: /home/julien/go/src/gitlab.com/xxx/myGoApp/vendor/github.com/influxdata/platform/chronograf/.eslintrc (No such file or directory) </code></pre> <p>When I run the same command on a terminal, it works</p> <p>When I run the equivalent inside a docker compose via Goland, it also works.</p> <p>I also checked, and the <code>.eslintrc</code> in question exists.</p> <p>Why is it happening ? Googling, I could find that it has to do with docker-java, but I could not really find a way to solution.</p> <p>Here is docker version info:</p> <pre><code>Client: Version: 18.09.1 API version: 1.39 Go version: go1.10.6 Git commit: 4c52b90 Built: Wed Jan 9 19:35:31 2019 OS/Arch: linux/amd64 Experimental: false Server: Docker Engine - Community Engine: Version: 18.09.1 API version: 1.39 (minimum version 1.12) Go version: go1.10.6 Git commit: 4c52b90 Built: Wed Jan 9 19:02:44 2019 OS/Arch: linux/amd64 Experimental: false </code></pre> <p>Any idea what's wrong ? I need to launch it that way because I want to implement debugging inside a container like explained <a href="https://blog.jetbrains.com/go/2018/04/30/debugging-containerized-go-applications/" rel="nofollow noreferrer">here</a></p> </div>

GoLand IDE 2018.2:从2018.1升级后未解决的导入错误

<div class="post-text" itemprop="text"> <p>I just updated my GoLand IDE from 2018.1 -&gt; 2018.2 and all my local imports are painted red. Everything worked before this. I have tried in vain to resolve this. Running the go code on the cli works fine so the problem is coming from the Goland IDE. Anyone with similar issue?</p> </div>


无论是自己写的测试文件还是goland自动生成的测试文件均可在cmd中用go test命令进行测试,但是在goland中运行报错,错误信息为:非重要路径\go-build658816770\b001\_testmain.go:14:2: **cannot import "main"**以下是goland自动生成的运行配置 ![图片说明](https://img-ask.csdn.net/upload/201911/09/1573268455_128334.png)


<div class="post-text" itemprop="text"> <p>When I invoke the following code,</p> <pre><code> func GetCurrentDirectory() string { dir, err := filepath.Abs(filepath.Dir(os.Args[0])) </code></pre> <p>it returns:</p> <blockquote> <p>/private/var/folders/cg/mwzlhrjs5y55ny553g6xz9tr0000gn/T</p> </blockquote> <p>Absolutely, it is a temp path, I excepted the path is my current directory, not temporary directory.</p> <pre><code>dir, err := filepath.Abs("") </code></pre> <p>could help me,but I must judge whether in run、debug mode in goland or not</p> </div>


<div class="post-text" itemprop="text"> <p>When using gdb to debugging go program, we can disable all breakpoints by using 'disable' command, and then we can 'enable' breakpoints if we need. But when using dlv(delve), i'm not found command like 'disable' in gdb, I can only use 'clear' or 'clearall' command to delete breakpoints, but I need recreating breakpoints if I need using these breakpoints again.<br> My questing is if there any command exist in dlv can 'disable' breakpoints and then I can re-enable them?<br> Thanks.</p> </div>


<div class="post-text" itemprop="text"> <p>I am building a Go project with Docker in the new GoLand IDE. Unfortunately, I am not able to cofigure my <code>GOROOT</code> correctly, making it not possible to use the GoLand futures to the max.</p> <p>I have the following dockerfile:</p> <pre><code>FROM golang:1.9.3 # allows app_env to be set during build (defaults to empty string) ARG app_env # sets an environment variable to app_env argument, this way the variable will persist in the container for use in code ENV APP_ENV $app_env COPY ./ /go/src/github.com/Name/ProjectName/ WORKDIR /go/src/github.com/Name/ProjectName/app # install all dependencies RUN go get ./... # build the binary RUN go build # Put back once we have an application RUN app EXPOSE 8080 </code></pre> <p>I now execute my project as follows: </p> <ol> <li><code>docker build -t project-name .</code></li> <li><code>docker run -it -v ~/project-dir:/go/src/github.com/Name/ProjectName/app</code></li> </ol> <p>This works, however, I cannot find how I can configure GoLand to use the path on my Docker image <code>usr/local/go/bin</code> for my GoRoot, is that even possible in GoLand? (If not, why even bother adding 'docker support'?) </p> </div>


<div class="post-text" itemprop="text"> <p>I want to specify an html template in one of my golang controller My directory structure is like this</p> <pre><code> Project -com -src - controller -contoller.go -view - html -first.html </code></pre> <p>I want to load first.html for request /new .I have used NewHandler for url /new and the NewHandler func is executing when /new request comes and is in controller.go. Here is my code</p> <pre><code>func NewHandler(w http.ResponseWriter, r *http.Request) { t, err := template.ParseFiles("view/html/first.html") if err == nil { log.Println("Template parsed successfully....") } err := templates.ExecuteTemplate(w, "view/html/first.html", nil) if err != nil { log.Println("Not Found template") } // t.Execute(w, "") } </code></pre> <p>But I am getting an error</p> <pre><code> panic: open first.html: no such file or directory </code></pre> <p>Please help me to remove this error. Thanks in advance</p> </div>

goclipse 报Executable file (oo\xx.exe) doesnt exist.

本人初学go语言 用的是goclipse 运行代码报错如下: ![图片说明](https://img-ask.csdn.net/upload/201903/22/1553248235_631297.png) 命令行go run 运行.go文件正常 网上说把GOBIN的值设为空,可我的就是空,如图: ![图片说明](https://img-ask.csdn.net/upload/201903/22/1553248511_978899.jpg) 求大神帮助!!!


<div class="post-text" itemprop="text"> <p>I am trying to use the goland ide for my go project. My project directory structure is like this</p> <pre><code>/Users/me/workspace/src/github.com/mynamespace/myproject </code></pre> <p>Now the myproject directory consists of a glide.yaml file which downloads all the dependencies inside the vendor folder when I do</p> <pre><code>glide install </code></pre> <p>So the vendor path will be </p> <pre><code>/Users/me/workspace/src/github.com/mynamespace/myproject/vendor </code></pre> <p>Now I opened the project in the GoLand IDE. However, the sources have a bunch of import statements like</p> <pre><code>import "github.com/mynamespace/anotherproject" </code></pre> <p>which are marked as red. This means the GoLand IDE was not able to pick them up from the vendor folder.</p> <p>Could you please let me know how can I import these dependencies in the IDE?</p> </div>

为什么goland 1.0 EAP提示“#command-line-arguments undefined:NewServer”

<div class="post-text" itemprop="text"> <p>When I debug the fabric source code orderer module with Goland 1.0 EAP IDE, it could debug and tips that:</p> <pre><code>GOROOT=/usr/local/Cellar/go/1.8.3/libexec #gosetup GOPATH=/Users/friends/Documents/VirtualMachine/share/gopath #gosetup /usr/local/Cellar/go/1.8.3/libexec/bin/go build -i -o /private/var/folders/cg/mwzlhrjs5y55ny553g6xz9tr0000gn/T/___orderer_start -gcflags "-N -l" /Users/friends/Documents/VirtualMachine/share/gopath/src/github.com/hyperledger/fabric/orderer/main.go #gosetup # command-line-arguments orderer/main.go:76: undefined: NewServer orderer/main.go:207: undefined: createLedgerFactory </code></pre> <p>the debug configurations is as following: <a href="https://i.stack.imgur.com/ACqHG.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/ACqHG.png" alt="enter image description here"></a></p> <p>in the fact ,NewServer exists in the server.go <a href="https://i.stack.imgur.com/YW91V.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/YW91V.png" alt="enter image description here"></a></p> <p>When I delete server.go and util.go, and move the code to main.go.It works. I think it may be GoLand 1.0 EAP BUG.</p> </div>

从GoLand Terminal运行时如何调试

<div class="post-text" itemprop="text"> <p>Is possible to debug from terminal (included in GoLand IDE), what I want to do is to stop in a break point when you run a .go file from the terminal. This because I want to run the script sending parameters to go to validate if parameters has been received to the .go script.</p> <p><a href="https://i.stack.imgur.com/TTwNT.png" rel="nofollow noreferrer">GoLand Breakpoint</a></p> <p><a href="https://i.stack.imgur.com/fBRri.png" rel="nofollow noreferrer">GoLand Terminal</a></p> <p>Thanks.</p> </div>


<div class="post-text" itemprop="text"> <p>I'm use Golang 1.11 with module support, So my project is <strong>not</strong> put in <code>$GOPATH</code></p> <p>I am want to compile <code>proto</code> file,</p> <p>My files structure</p> <p><a href="https://i.stack.imgur.com/XnMuM.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/XnMuM.png" alt="enter image description here"></a></p> <hr> <p>my <code>TaskInfo.proto</code></p> <pre><code>syntax = "proto3"; package chaochaogege.filecatcher.common; option go_package = "common"; import "chaochaogege.com/filecatcher/common/ChunkInfo.proto"; message TaskInfo{ string name = 1; string storePath = 2; uint32 workersNum = 3; uint32 totalSize = 4; repeated chaochaogege.filecatcher.common.ChunkInfo chunkInfo = 5; } </code></pre> <hr> <p>ChunkInfo.proto</p> <pre><code>syntax = "proto3"; package chaochaogege.filecatcher.common; option go_package = "common"; message ChunkInfo{ uint32 startBytes = 1; uint32 endBytes = 2; uint32 totalBytes = 3; uint32 downloaded = 4; uint32 orderId = 5; } </code></pre> <hr> <p>go.mod</p> <pre><code>module chaochaogege.com/filecatcher require ( github.com/golang/protobuf v1.2.0 ) </code></pre> <p>When I run follow (in filecatcher/common directory)</p> <pre><code>protoc --go_out=./ TaskInfo.proto </code></pre> <p>protoc said:</p> <pre><code>chaochaogege.com/filecatcher/common/ChunkInfo.proto: File not found.TaskInfo.proto: Import "chaochaogege.com/filecatcher/common/ChunkInfo.proto" was not found or had errors. TaskInfo.proto:13:14: "chaochaogege.filecatcher.common.ChunkInfo" is notdefined. </code></pre> <p>I have googled, But all of questions are not about go module</p> <p>Did I use wrong import path or My config is not correct?</p> <p>If Stackoverflow cannot anwser my question, I think it's a bug. I should go to Github issue for report..</p> </div>


<div class="post-text" itemprop="text"> <p>I am working with GoLand IDE and I have the following simple code: </p> <pre><code>package main import ( "fmt" "time" ) func main() { start := time.Now() time.Sleep(2 * time.Second) elapsed := time.Since(start) fmt.Println("elapsed: %s", elapsed) } </code></pre> <p>When I run it, it works fine and I see the output.<br> When I put breakpoint in one of the lines I received the following error: </p> <pre><code>GOROOT=/usr/local/go #gosetup GOPATH=/root/go #gosetup /usr/local/go/bin/go build -o /tmp/___go_build_mymain_go -gcflags "all=-N -l" /root/go/src/myproj/mymain.go #gosetup /home/myuser/Desktop/GoLand-2018.1.4/plugins/go/lib/dlv/linux/dlv --listen=localhost:35607 --headless=true --api-version=2 --backend=default exec /tmp/___go_build_mymain_go -- #gosetup could not launch process: could not find .debug_line section in binary Debugger finished with exit code 1 </code></pre> <p>I didn't find any information regarding this error.<br> I read about debugging in Go and it was mentioned to use <code>-gcflags "all=-N -l"</code> which is being used. </p> <p>What can be the reason for this fail? </p> </div>


<div class="post-text" itemprop="text"> <p>I have a go codebase on a remote machine that I'd like to be able to debug using Goland. I've been trying to figure out how to set something akin to PyCharm's remote interpreter, but I haven't been able to figure it out. The best I can find is their <a href="https://blog.jetbrains.com/go/2019/02/06/debugging-with-goland-getting-started/" rel="nofollow noreferrer">blog's tutorial</a>, but it's complicated by docker containers and web applications. How do I set up Goland to remotely debug?</p> </div>

从Linux为Mac创建go build时出现问题?

<div class="post-text" itemprop="text"> <p>I am trying to create a build for Mac from linux machine. I am able to do this by below common without enabling CGO.</p> <pre><code>env GOOS=darwin GOARCH=amd64 go build </code></pre> <p>Using CGO enabled command </p> <pre><code>env CGO_ENABLED=1 GOOS=darwin GOARCH=amd64 go build </code></pre> <p>But if I enable CGO then it does not work and get below error</p> <pre><code># os/user /usr/local/go/src/os/user/getgrouplist_darwin.go: In function 'mygetgrouplist': /usr/local/go/src/os/user/getgrouplist_darwin.go:16:11: warning: implicit declaration of function 'getgrouplist' [-Wimplicit-function-declaration] int rv = getgrouplist(user, (int) group, buf, ngroups); ^ # net /usr/local/go/src/net/cgo_bsd.go:15:72: could not determine kind of name for C.AI_MASK # ConfigTool/Go/vendor/github.com/mattn/go-sqlite3 /tmp/go-build769992187/b129/_x011.o: In function `unixDlError': vendor/github.com/mattn/go-sqlite3/sqlite3-binding.c:38475: undefined reference to `dlerror' /tmp/go-build769992187/b129/_x011.o: In function `unixDlClose': vendor/github.com/mattn/go-sqlite3/sqlite3-binding.c:38506: undefined reference to `dlclose' /tmp/go-build769992187/b129/_x011.o: In function `unixDlSym': vendor/github.com/mattn/go-sqlite3/sqlite3-binding.c:38502: undefined reference to `dlsym' /tmp/go-build769992187/b129/_x011.o: In function `unixDlOpen': vendor/github.com/mattn/go-sqlite3/sqlite3-binding.c:38461: undefined reference to `dlopen' collect2: error: ld returned 1 exit status </code></pre> </div>

Goland html页面中的input标签报错


将/ vendor转换为Go模块,找不到提供包错误的模块

<div class="post-text" itemprop="text"> <p>Converting an existing project with a /vendor directory to use Go Modules (go version 1.12). I do <code>go mod init</code> to generate the <code>go.mod</code> file. Then I do <code>go get -u ./...</code> to populate the go.mod file. During this time, it tries to locate a package on github that no longer exists. It is vendored in my /vendor directory. </p> <p>Until I can upgrade my code to use a different package, how can I continue the conversion to using modules? That is, I want to keep some things vendored (I also have some modified code under /vendor), while other things are handled by go modules.</p> </div>

GoLand IDE无法正确编译。 如何设置正确的路径?

<div class="post-text" itemprop="text"> <p>I am trying to setup GoLand correctly to be able to use it with Go. </p> <p>I'm trying to run the follow simple <strong>HelloWorld</strong> go project.</p> <pre><code>package HelloWorldProject import "fmt" func main(){ fmt.Printf("Hello") fmt.Printf("1+1 = ", 1+1) } </code></pre> <p>This is my console's results:</p> <pre><code>GOROOT=/usr/local/Cellar/go/1.10/libexec #gosetup GOPATH=/Users/jeanmac/go #gosetup /usr/local/Cellar/go/1.10/libexec/bin/go build -i -o /private/var/folders/r5/rfwd1cqd4kv8cmh5gh_qxpvm0000gn/T/___Hello /Users/jeanmac/go/src/github.com/jpere547/HelloWorldProject/Hello.go #gosetup Compilation finished with exit code 0 </code></pre> <p>I am on Mac OS and I installed Go using Brew.</p> <p>Results of <code>brew info go</code>:</p> <pre><code>go: stable 1.10 (bottled), HEAD Open source programming language to build simple/reliable/efficient software https://golang.org /usr/local/Cellar/go/1.10 (8,150 files, 336.9MB) * Poured from bottle on 2018-03-22 at 19:38:29 From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/go.rb ==&gt; Requirements Required: macOS &gt;= 10.8 ✔ ==&gt; Options --without-cgo Build without cgo (also disables race detector) --without-race Build without race detector --HEAD Install HEAD version ==&gt; Caveats A valid GOPATH is required to use the `go get` command. If $GOPATH is not specified, $HOME/go will be used by default: https://golang.org/doc/code.html#GOPATH You may wish to add the GOROOT-based install location to your PATH: export PATH=$PATH:/usr/local/opt/go/libexec/bin </code></pre> <p>The GoLand configurations is below:<br> <strong>GOROOT</strong> <a href="https://i.stack.imgur.com/WJH1Y.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/WJH1Y.png" alt="GOROOT"></a></p> <p><strong>GOPATH</strong> <a href="https://i.stack.imgur.com/MtFhu.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/MtFhu.png" alt="GOPATH"></a></p> </div>


<div class="post-text" itemprop="text"> <p>我已经安装了我项目的GO模块依赖项 go build。 <p>但Goland告诉我,它不能解决任何这些依赖。 <p>如何让Goland找到GO模块依赖项? </div>


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String s = new String(" a ") 到底产生几个对象?

老生常谈的一个梗,到2020了还在争论,你们一天天的,哎哎哎,我不是针对你一个,我是说在座的各位都是人才! 上图红色的这3个箭头,对于通过new产生一个字符串(”宜春”)时,会先去常量池中查找是否已经有了”宜春”对象,如果没有则在常量池中创建一个此字符串对象,然后堆中再创建一个常量池中此”宜春”对象的拷贝对象。 也就是说准确答案是产生了一个或两个对象,如果常量池中原来没有 ”宜春” ,就是两个。...

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loonggg读完需要3分钟速读仅需 1 分钟大家好,我是你们的校长。我之前讲过,这年头,只要肯动脑,肯行动,程序员凭借自己的技术,赚钱的方式还是有很多种的。仅仅靠在公司出卖自己的劳动时...






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