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improved error reporting to assist users dealing with issue #177

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Former-commit-id: bc9191cb97d11b3c5455a5e1980d1be9c0bbc4d5
This commit is contained in:
Jeremy Long
2014-12-31 07:43:30 -05:00
parent cc2953d6a3
commit 8d538a9977
1 changed files with 21 additions and 0 deletions
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21
dependency-check-utils/src/main/java/org/owasp/dependencycheck/utils/Downloader.java
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@@ -25,6 +25,7 @@ import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URISyntaxException;
import java.net.URL;
import java.security.InvalidAlgorithmParameterException;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.zip.GZIPInputStream;
@@ -124,6 +125,7 @@ public final class Downloader {
writer.write(buffer, 0, bytesRead);
}
} catch (IOException ex) {
analyzeException(ex);
final String msg = String.format("Error saving '%s' to file '%s'%nConnection Timeout: %d%nEncoding: %s%n",
url.toString(), outputPath.getAbsolutePath(), conn.getConnectTimeout(), encoding);
throw new DownloadFailedException(msg, ex);
@@ -192,6 +194,7 @@ public final class Downloader {
} catch (URLConnectionFailureException ex) {
throw new DownloadFailedException("Error creating URL Connection for HTTP HEAD request.", ex);
} catch (IOException ex) {
analyzeException(ex);
throw new DownloadFailedException("Error making HTTP HEAD request.", ex);
} finally {
if (conn != null) {
@@ -205,4 +208,22 @@ public final class Downloader {
}
return timestamp;
}
protected static void analyzeException(IOException ex) throws DownloadFailedException {
Throwable cause = ex;
do {
if (cause instanceof InvalidAlgorithmParameterException) {
String keystore = System.getProperty("javax.net.ssl.keyStore");
String version = System.getProperty("java.version");
String vendor = System.getProperty("java.vendor");
LOGGER.info("Error making HTTPS request - InvalidAlgorithmParameterException");
LOGGER.info("There appears to be an issue with the installation of Java and the cacerts."
+ "See closed issue #177 here: https://github.com/jeremylong/DependencyCheck/issues/177");
LOGGER.info(String.format("Java Info:%njavax.net.ssl.keyStore='%s'%njava.version='%s'%njava.vendor='%s'",
keystore, version, vendor));
throw new DownloadFailedException("Error making HTTPS request. Please see the log for more details.");
}
cause = cause.getCause();
} while (cause.getCause() != null);
}
}