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Add diagnostics for web server and API plugin instantiation

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This commit is contained in:
Ross Nicoll 2016-10-24 18:22:15 +01:00
parent 2744d8abaa
commit e6a0f18436
1 changed files with 38 additions and 13 deletions
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39
node/src/main/kotlin/com/r3corda/node/internal/Node.kt
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@ -33,6 +33,7 @@ import org.glassfish.jersey.servlet.ServletContainer
import org.jetbrains.exposed.sql.Database
import java.io.RandomAccessFile
import java.lang.management.ManagementFactory
import java.lang.reflect.InvocationTargetException
import java.nio.channels.FileLock
import java.time.Clock
import java.util.*
@ -143,13 +144,18 @@ class Node(override val configuration: FullNodeConfiguration, networkMapAddress:
// Export JMX monitoring statistics and data over REST/JSON.
if (configuration.exportJMXto.split(',').contains("http")) {
val classpath = System.getProperty("java.class.path").split(System.getProperty("path.separator"))
val warpath = classpath.firstOrNull() { it.contains("jolokia-agent-war-2") && it.endsWith(".war") }
if (warpath != null) {
handlerCollection.addHandler(WebAppContext().apply {
// Find the jolokia WAR file on the classpath.
contextPath = "/monitoring/json"
setInitParameter("mimeType", "application/json")
val classpath = System.getProperty("java.class.path").split(System.getProperty("path.separator"))
war = classpath.first { it.contains("jolokia-agent-war-2") && it.endsWith(".war") }
war = warpath
})
} else {
log.warn("Unable to locate Jolokia WAR on classpath")
}
}
// API, data upload and download to services (attachments, rates oracles etc)
@ -157,7 +163,7 @@ class Node(override val configuration: FullNodeConfiguration, networkMapAddress:
val server = Server()
if (configuration.useHTTPS) {
val connector = if (configuration.useHTTPS) {
val httpsConfiguration = HttpConfiguration()
httpsConfiguration.outputBufferSize = 32768
httpsConfiguration.addCustomizer(SecureRequestCustomizer())
@ -173,14 +179,16 @@ class Node(override val configuration: FullNodeConfiguration, networkMapAddress:
sslContextFactory.setIncludeCipherSuites(".*AES.*GCM.*")
val sslConnector = ServerConnector(server, SslConnectionFactory(sslContextFactory, "http/1.1"), HttpConnectionFactory(httpsConfiguration))
sslConnector.port = configuration.webAddress.port
server.connectors = arrayOf<Connector>(sslConnector)
sslConnector
} else {
val httpConfiguration = HttpConfiguration()
httpConfiguration.outputBufferSize = 32768
val httpConnector = ServerConnector(server, HttpConnectionFactory(httpConfiguration))
httpConnector.port = configuration.webAddress.port
server.connectors = arrayOf<Connector>(httpConnector)
httpConnector
}
server.connectors = arrayOf<Connector>(connector)
log.info("Starting web API server on port ${connector.port}")
server.handler = handlerCollection
runOnStop += Runnable { server.stop() }
@ -203,8 +211,19 @@ class Node(override val configuration: FullNodeConfiguration, networkMapAddress:
val webAPIsOnClasspath = pluginRegistries.flatMap { x -> x.webApis }
for (webapi in webAPIsOnClasspath) {
log.info("Add Plugin web API from attachment ${webapi.name}")
val customAPI = webapi.getConstructor(ServiceHub::class.java).newInstance(services)
log.info("Add plugin web API from attachment ${webapi.name}")
val constructor = try {
webapi.getConstructor(ServiceHub::class.java)
} catch (ex: NoSuchMethodException) {
log.error("Missing constructor ${webapi.name}(ServiceHub)")
continue
}
val customAPI = try {
constructor.newInstance(services)
} catch (ex: InvocationTargetException) {
log.error("Constructor ${webapi.name}(ServiceHub) threw an error: ", ex.targetException)
continue
}
resourceConfig.register(customAPI)
}
@ -270,7 +289,13 @@ class Node(override val configuration: FullNodeConfiguration, networkMapAddress:
super.start()
// Only start the service API requests once the network map registration is complete
networkMapRegistrationFuture.then {
try {
webServer = initWebServer()
} catch(ex: Exception) {
// TODO: We need to decide if this is a fatal error, given the API is unavailable, or whether the API
// is not critical and we continue anyway.
log.error("Web server startup failed", ex)
}
// Begin exporting our own metrics via JMX.
JmxReporter.
forRegistry(services.monitoringService.metrics).