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From Prabhu Joseph <prabhujose.ga...@gmail.com>
Subject Re: Hive UDF accessing https request
Date Mon, 11 Jan 2016 06:06:54 GMT
Thanks Sergey for looking into this.

Below is the Exception we are getting when we use from Hive UDF, but from
separate java program it works fine

javax.net.ssl.SSLHandshakeException:
sun.security.validator.ValidatorException: PKIX path building failed:
sun.security.provider.certpath.SunCertPathBuilderException: unable to find
valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1884)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:276)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:270)
at
sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1341)
at
sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:153)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:868)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:804)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:1016)
at
sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1312)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1339)
at sun.security.ssl.SSLSocketImpl.startHandshake(SSLSocketImpl.java:1323)
at sun.net.www.protocol.https.HttpsClient.afterConnect(HttpsClient.java:563)
at
sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:185)
at
sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1300)
at
sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:254)
at com.network.logs.udf.ProfoundNew.evaluate(ProfoundNew.java:30)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.apache.hadoop.hive.ql.exec.FunctionRegistry.invoke(FunctionRegistry.java:1219)
at
org.apache.hadoop.hive.ql.udf.generic.GenericUDFBridge.evaluate(GenericUDFBridge.java:182)
at
org.apache.hadoop.hive.ql.exec.ExprNodeGenericFuncEvaluator._evaluate(ExprNodeGenericFuncEvaluator.java:166)
at
org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:77)
at
org.apache.hadoop.hive.ql.exec.ExprNodeEvaluator.evaluate(ExprNodeEvaluator.java:65)
at
org.apache.hadoop.hive.ql.exec.SelectOperator.processOp(SelectOperator.java:79)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
at
org.apache.hadoop.hive.ql.exec.TableScanOperator.processOp(TableScanOperator.java:92)
at org.apache.hadoop.hive.ql.exec.Operator.forward(Operator.java:793)
at org.apache.hadoop.hive.ql.exec.MapOperator.process(MapOperator.java:540)
at org.apache.hadoop.hive.ql.exec.mr.ExecMapper.map(ExecMapper.java:177)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:435)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:347)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1469)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162)
Caused by: sun.security.validator.ValidatorException: PKIX path building
failed: sun.security.provider.certpath.SunCertPathBuilderException: unable
to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:385)
at
sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:292)
at sun.security.validator.Validator.validate(Validator.java:260)
at
sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:326)
at
sun.security.ssl.X509TrustManagerImpl.checkTrusted(X509TrustManagerImpl.java:231)
at
sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:126)
at
sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:1323)
... 35 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException:
unable to find valid certification path to requested target
at
sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:196)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:268)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:380)
... 41 more




Thanks,
Prabhu Joseph

On Sat, Jan 9, 2016 at 12:33 AM, Sergey Shelukhin <sergey@hortonworks.com>
wrote:

> To start with, you can remove the try-catch so that the exception is not
> swallowed and you can see if an error occurs.
> However, note that this is an anti-pattern for any reasonable-sized
> dataset.
>
> From: Prabhu Joseph <prabhujose.gates@gmail.com>
> Reply-To: "user@hive.apache.org" <user@hive.apache.org>
> Date: Friday, January 8, 2016 at 00:51
> To: "user@hive.apache.org" <user@hive.apache.org>, "dev@hive.apache.org" <
> dev@hive.apache.org>
> Subject: Hive UDF accessing https request
>
> Hi Experts,
>
>    I am trying to write a Hive UDF which access https request and based on
> the response return the result. From Plain Java, the https response is
> coming but the https accessed from UDF is null.
>
> Can anyone review the below and share the correct steps to do this.
>
>
> create temporary function profoundIP as 'com.network.logs.udf.ProfoundIp';
>
> select ip,profoundIP(ip) as info from r_distinct_ips_temp;
>  //returns NULL
>
>
> //Below UDF program
>
> package com.network.logs.udf;
>
> import java.io.BufferedReader;
> import java.io.InputStreamReader;
> import java.net.URL;
>
> import javax.net.ssl.HttpsURLConnection;
>
> import org.apache.hadoop.hive.ql.exec.UDF;
> import org.apache.hadoop.io.Text;
>
> public class ProfoundNew extends UDF {
>
>     private Text evaluate(Text input) {
>
>         String url = "https://api2.profound.net/ip/" + input.toString()
> +"?view=enterprise";
>
>         URL obj;
>         try {
>         obj = new URL(url);
>
>         HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();
>
>         con.setRequestMethod("GET");
>         con.setRequestProperty("Authorization","ProfoundAuth
> apikey=cisco-065ccfec619011e38f");
>
>         int responseCode = con.getResponseCode();
>
>         BufferedReader in = new BufferedReader(new
> InputStreamReader(con.getInputStream()));
>         String inputLine;
>         StringBuffer response = new StringBuffer();
>
>         while ((inputLine = in.readLine()) != null) {
>             response.append(inputLine);
>         }
>         in.close();
>         return new Text(response.toString());
>         } catch (Exception e) {
>             e.printStackTrace();
>         }
>         return null;
>
>     }
> }
>
>
>
> Thanks,
> Prabhu Joseph
>
>

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