Error in building android project in ionic

i have successfully installed cordova and ionic and when i try to build android project it gives this error

Exception in thread “main” java.lang.RuntimeException: java.net.SocketException:
Unexpected end of file from server
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAcc
essManager.java:78)
at org.gradle.wrapper.Install.createDist(Install.java:47)
at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:129)
at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:48)
Caused by: java.net.SocketException: Unexpected end of file from server
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:792)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:789)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:647)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLCo
nnection.java:1535)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon
nection.java:1440)
at org.gradle.wrapper.Download.downloadInternal(Download.java:59)
at org.gradle.wrapper.Download.download(Download.java:45)
at org.gradle.wrapper.Install$1.call(Install.java:60)
at org.gradle.wrapper.Install$1.call(Install.java:47)
at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAcc
essManager.java:65)
… 3 more
Error: Error code 1 for command: cmd with args: /s,/c,“C:\Users\khushaar\firstIo
nicApp\platforms\android\gradlew cdvBuildDebug -b C:\Users\khushaar\firstIonicAp
p\platforms\android\build.gradle -Dorg.gradle.daemon=true -Pandroid.useDeprecate
dNdk=true”

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