我正在使用 java 执行curl 命令。
curl -i --user "OAMADMIN_tenant_358922247351079_svc_358922247369079_APPID:Iuj.2swilg5fhv" -H "Content-Type: application/json" -H "Accept: application/json" -H 'X-USER-IDENTITY-DOMAIN-NAME: tenant_358922247351079' -H "X-RESOURCE-IDENTITY-DOMAIN-NAME: tenant_358922247351079" --request GET "https://slc04yre-1.dev.oraclecorp.com:4443/oam/services/rest/11.1.2.0.0/oauth/admin/Clients?name=myMCS_svc_358922247369079_MCS_Client_OAUTHCLIENT"
我想在我的代码中获取这个curl命令的输出，但是我的stdoutput是空的。
private static String executeCommand(String command) {
StringBuffer output = new StringBuffer();
Process p;
try {
p = Runtime.getRuntime().exec(command);
BufferedReader reader = new BufferedReader(new InputStreamReader(
p.getInputStream()));
//p.waitFor();
String line = "";
while ((line = reader.readLine()) != null) {
System.out.println("line="+line);
output.append(line + "\n");
}
} catch (Exception e) {
e.printStackTrace();
}
return output.toString();
}
尝试手动执行curl命令，它工作正常。
然后我打印了标准错误，我可以看到：
[testng] error line=
[testng] error line=curl: (6) Couldn't resolve host 'application'
[testng] error line=
[testng] error line=curl: (6) Couldn't resolve host 'application'
[testng] error line=
[testng] error line=curl: (6) Couldn't resolve host 'tenant_359516638431079''
[testng] error line=
[testng] error line=curl: (6) Couldn't resolve host 'tenant_359516638431079"'
[testng] error line=
[testng] error line=curl: (1) Unsupported protocol: "https
当手动执行curl命令时，它工作正常，那么为什么不通过Runtime.getRuntime()呢？
请推荐！！任何帮助将不胜感激。
看起来数据外壳/控制台正在解释/更改字符。例如以下行：
-H "Content-Type: application/json"
...似乎被解释为三个不同的论点：
-H Content-Type: and application and /json通过 shell/控制台。
尝试使用以下格式将命令字符串分解为组件数组：
exec(String[] cmdarray)
这样 shell/控制台就可以清楚哪些参数被分组在一起。
这是 groovy 中的一个测试证明了这一点：
def Object executeCommand(command) {
def proc = Runtime.getRuntime().exec(command);
def sout = new StringBuffer()
def serr = new StringBuffer()
proc.consumeProcessOutput(sout, serr)
proc.waitFor()
return [ 'sout':sout.toString(), 'serr':serr.toString() ]
}
response = executeCommand('''curl --silent --show-error -H "Accept: application/json" --request GET "https://education.cloudant.com/"''')
assert response['sout'] == ''
assert response['serr'].startsWith( 'curl: (6) Could not resolve host: application' )
response = executeCommand(['curl', '--silent', '--show-error', '-H', 'Accept: application/json', '--request', 'GET', 'https://education.cloudant.com/'] as String[] )
assert response['sout'].startsWith('{"couchdb":"Welcome","version":"1.0.2","cloudant_build":"2367"}')
assert response['serr'] == ''
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