Freeman Fang created CAMEL-13593:
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Summary: avoid “expected resource not found” warnings when using
camel-mail in OSGi
Key: CAMEL-13593
URL: https://issues.apache.org/jira/browse/CAMEL-13593
Project: Camel
Issue Type: Improvement
Reporter: Freeman Fang
In javax.mail API(1.6), it(javax.mail.Session) will use authenticator's
classloader to load two default files
{code}
META-INF/javamail.default.address.map
META-INF/javamail.default.providers
{code}
Since camel-mail provider a DefaultAuthenticator, which means javax mail api
will try to use camel-mail bundle classloader in OSGi to load above default
files. Those files aren't available for camel-mail bundle classloader, so we
see warning message as
{code}
2019-04-25 12:42:09,806 | WARN | 23 - scheduler://foo | j.mail | 21 -
com.sun.mail.javax.mail - 1.6.1 | expected resource not found:
/META-INF/javamail.default.providers
2019-04-25 12:42:09,807 | WARN | 23 - scheduler://foo | j.mail | 21 -
com.sun.mail.javax.mail - 1.6.1| expected resource not found:
/META-INF/javamail.default.address.map
{code}
This warning message isn't harmful but annoying. The javax.mail.Session will
always add default stuff by code if can't find the default configuration file
{code}
if (providers.size() == 0) {
logger.config("failed to load any providers, using defaults");
// failed to load any providers, initialize with our defaults
addProvider(new Provider(Provider.Type.STORE,
"imap", "com.sun.mail.imap.IMAPStore",
"Oracle", Version.version));
addProvider(new Provider(Provider.Type.STORE,
"imaps", "com.sun.mail.imap.IMAPSSLStore",
"Oracle", Version.version));
addProvider(new Provider(Provider.Type.STORE,
"pop3", "com.sun.mail.pop3.POP3Store",
"Oracle", Version.version));
addProvider(new Provider(Provider.Type.STORE,
"pop3s", "com.sun.mail.pop3.POP3SSLStore",
"Oracle", Version.version));
addProvider(new Provider(Provider.Type.TRANSPORT,
"smtp", "com.sun.mail.smtp.SMTPTransport",
"Oracle", Version.version));
addProvider(new Provider(Provider.Type.TRANSPORT,
"smtps", "com.sun.mail.smtp.SMTPSSLTransport",
"Oracle", Version.version));
}
if (addressMap.isEmpty()) {
logger.config("failed to load address map, using defaults");
addressMap.put("rfc822", "smtp");
}
{code}
It's better we can avoid such WARN message when using camel-mail in OSGi
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